The most prevalent environmental threat to human populations caused by landfills is the contamination of surface and ground water. So, most modern landfills in the U.S. are designed to protect against hazardous chemicals escaping into the surrounding soil. What technology makes these protection systems possible?

Answers

Answer 1

Answer: plastics technology

Explanation:


Related Questions

To which of the following disorders can the addition of agoraphobia be attached?
A)somatoform disorder
B)major depressive disorder
C)obsessive-compulsive disorder
D)panic disorder

Answers

The disorder that the addition of agoraphobia can be attached to is Panic Disorder. Here option D is the correct answer.

Panic disorder is a form of anxiety disorder. It is characterized by repeated and unexpected panic attacks. Panic attacks are abrupt episodes of extreme fear and bodily symptoms such as a rapid heartbeat, dizziness, shortness of breath, and sweating that can last for several minutes.

Panic disorder can also involve agoraphobia in some cases. Agoraphobia is an anxiety disorder in which individuals have an irrational fear of being in places or circumstances where they might have difficulty escaping or getting help if they experience a panic attack or other embarrassing or incapacitating symptoms.

Panic disorder is frequently accompanied by agoraphobia, which is the anxiety of being in public places or situations where escape might be challenging if a panic attack occurs. Therefore option D is the correct answer.

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pls help!!!!! biology

pls help!!!!! biology

Answers

Answer: I think it’s B

Based on your biological knowledge, explain why he has cardiovascular disease.​

Answers

Explanation:

Cardiovascular disease. Cardiovascular disease (CVD) is a general term for conditions affecting the heart or blood vessels. It's usually associated with a build-up of fatty deposits inside the arteries (atherosclerosis) and an increased risk of blood clots.

CURES:

Although we can't cure heart disease, we can make it better. Most forms of heart disease are very treatable today. There is some evidence that normalizing high blood pressure and lowering cholesterol to very low levels will partially reverse plaques in the coronary arteries. ... We can repair or replace diseased valves.♥️

(a) Christina wants to increase the number of eggs per year by using selective breeding.

(i)Which two chickens should she breed together?

(ii) Christina chooses chickens to breed from the offspring.
Which ones should she choose?

(a) Christina wants to increase the number of eggs per year by using selective breeding.(i)Which two

Answers

Simple is a good word to describe the fundamental approach. It is likely that her daughters will likewise be effective layers if you breed from the hen that produces the most eggs. This is so because a hen's genes, which she gets from her parents, play a factor in determining how many eggs she lays.

How did chickens raised for meat become a product of selective breeding?

Increased growth rate and higher meat output were the primary objectives of selective breeding in meat chickens in the 1960s (i.e. producing larger chickens in less time). These days, the strategy is much more balanced, with health and wellbeing of the breeding animals playing a key role.

Inbreeding, linebreeding, and outcrossing are methods used in animal breeding.

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if you use distance analysis of morphological traits to build a phylogenetic tree that includes humans (a placental mammal), placental wolves, and marsupial wolves, which two groups would you conclude are most closely related? would the tree be correct?

Answers

Which two groups—marsupials and placental wolves—would you say are most closely connected to one another?

What is a phylogenetic example?

A unique phylogeny example is the animal phylogenetic tree that shows the history of animal organs. In terms of the history of animal organs, it demonstrates animal phylogeny. Based on the unit level of organization in this sort of graphic, it is possible to determine the evolutionary pattern of the main animal lineages.

Why is phylogenetic analysis used?

An in-depth understanding of how species change genetically is provided through phylogenetic analysis. With the aid of phylogenetics, researchers may assess the route an organism took to reach its ancestral origin and forecast potential genetic divergence.

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What was the discovery scientists made in the 1950's that led them to then accept Wegener's theory of Continental Drift?

Answers

Answer & explanation:

The theory of continental drift emerged a long time ago. When mapping some points on Earth, scholars suspected that the continents were united in the past.

Francis Bacon suggested in 1620 that the east coast of the South American continent and the west coast of Africa fit together perfectly, giving the impression that they had parted in the remote past. A similar observation to this had already been made by another scholar named Abraham Ortelius, around 1596.

A century later, hypotheses became a scientific theory with previously elaborated arguments. Then, the theory of Continental Drift was officially born, when the German Alfred Wegener formulated it in 1912, establishing that the Earth had been divided, in its slow fragmentation, into two great continents, Laurasia and Gondwana.

Explain the protective significance of chromosomes condensing into tight coils during mitosis.

Answers

Answer:

Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)

Explanation:Otherwise it would be a mess as they get tightly packed

Vivek is trying to group three plants- a plant with red leaves and an insectivevorous, in different ways. Which of these can he put under the category 'Plant that perform phoyosynthesis'?​

Answers

Answer:

This question is incomplete, the complete question is:

Vivek is trying to group three plants a plant with green leaves, a plant with red leaves and an insectivorous plant, in different ways. Which of these can he put under the category Plants that perform photosynthesis".

The answer is PLANTS WITH GREEN LEAVES

Explanation:

Answer

The one which performs photosynthesis

so i think it is the green leaf

Explanation:

A genetic experiment with peas resulted in one sample of offspring that consisted of 446 green peas and 160 yellow peas. a. Construct a 95% confidence interval to estimate of the percentage of yellow peas. b. Based on the confidence interval, do the results of the experiment appear to contradict the expectation that 25% of the offspring peas would be yellow? a. Construct a 95% confidence interval. Express the percentages in decimal form.

Answers

The 95% confidence interval for the percentage of yellow peas in the offspring sample is estimated to be between 21.97% and 27.53%.

In the genetic experiment with peas, out of a sample of 606 peas, 160 were yellow. To estimate the percentage of yellow peas in the population, we can use a confidence interval. Since we want a 95% confidence interval, we can use the formula for proportions. The point estimate for the percentage of yellow peas is calculated by dividing the number of yellow peas (160) by the total number of peas (606), which gives us 0.264 (26.4%).

To calculate the margin of error, we use the formula:

Margin of Error = Critical value * Standard Error

The critical value for a 95% confidence interval is approximately 1.96. The standard error is calculated using the formula:

Standard Error = √(p * (1-p) / n)

where p is the point estimate (0.264) and n is the sample size (606).

Plugging in the values, we get a margin of error of approximately 0.028 (2.8%).

To construct the confidence interval, we subtract the margin of error from the point estimate to get the lower bound, and add the margin of error to the point estimate to get the upper bound.

Lower bound = 0.264 - 0.028 = 0.236 (23.6%)

Upper bound = 0.264 + 0.028 = 0.292 (29.2%)

Therefore, the 95% confidence interval for the percentage of yellow peas in the offspring sample is estimated to be between 21.97% and 27.53%.

Based on the confidence interval, the results of the experiment do not appear to contradict the expectation that 25% of the offspring peas would be yellow. The confidence interval includes the value of 25% within its range. However, it's important to note that the actual percentage of yellow peas could still be slightly higher or lower than 25%. The confidence interval provides an estimate of the true percentage based on the sample data, allowing for some level of uncertainty.

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Help me please with this question





Select the correct answer.


Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Based on this information, what is true about human skin color?

A.

Skin color is not a genetic trait.

B.

A single pair of alleles controls this trait.

C.

It’s an example of incomplete dominance.

D.

It’s an example of polygenic inheritance.

Answers

Answer:

what is the formal analyse in movie

the egg of a wasanabina beetle has 5 chromosomes. how many chromosomes are in a somatic cell of a wasanabina beetle?

Answers

There are 23 pairs of chromosomes in somatic cells; one member of every pair is paternal (from the daddy) and one maternal (from the mom). There are 22 matched pairs of autosomal chromosomes, plus one pair of intercourse chromosomes.

Turner syndrome (also known as monosomy X) is a condition because of monosomy. ladies with Turner syndrome typically have the best replica of the X chromosome in every cell, for a total of forty-five chromosomes per cellular. not often, some cells end up with whole extra units of chromosomes.

Definitions of the somatic chromosome. any chromosome that isn't a sex chromosome; appears in pairs in body cells however as single chromosomes in spermatozoa. synonyms: autosome. form of: chromosome. a threadlike strand of DNA within the mobile nucleus that incorporates the genes in a linear order.

Inside the human genome lie about 20,000 genes that encode proteins, the molecules that sincerely construct human cells and our bodies, plus many other DNA factors that control while, in which, and what sort of every gene is expressed (Ezkurdia et al., 2014).

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Consider the process of gene expression. Select the answer that places the steps of gene
expression in the correct order.

A. RNA spliced → DNA transcribed → mRNA translated → ribosomes make proteins

B. mRNA translated → RNA spliced DNA transcribed → ribosomes make proteins

C. DNA transcribed RNA spliced → mRNA translated → ribosomes make proteins

D. DNA transcribed → mRNA translated → RNA spliced → ribosomes make proteins

Answers

Answer:

b

Explanation:

rna it is make a protein

Answer:

c is the right answer

Explanation:

i tried one of the answers that someone put and it was wrong then i found out c is the right answer.  

food, water, shelter, and warmth represent ________ needs in maslow’s hierarchy of needs.

Answers

Food, water, shelter, and warmth represent physiological needs in Maslow’s hierarchy of needs.

Abraham Maslow proposed and developed a theory in human development psychology titled "A theory of human motivation" in 1943.

Maslow's Hierarchy of Needs can be defined as a pyramid model which typically represents the fundamental (basic) needs of an individual, that are essential and required to be met before he or she can achieve complete growth, development and self-actualization.

The five (5) levels of Maslow's Hierarchy of Needs in a chronological order are;

Physiological.Safety.Belonging and love.Social needs or esteem.Self-actualization.

According to Abraham Maslow the psychological needs comprises:

I. Food.

II. Water.

III. Shelter.

IV. Warmth.

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which of the following mechanisms is in the correct sequence of steps (i-iii as listed below) that takes place during the formation of de-etiolation (greening) response proteins in plants?i. reception of light signal by phytochromeii. formation of de-etiolation response protein iii. activation of second messengers

Answers

The correct sequence of steps that takes place during the formation of de-etiolation (greening) response proteins in plants is as follows:

i. Reception of light signal by phytochrome

ii. Activation of second messengers

iii. Formation of de-etiolation response protein

The De-etiolation response or greening response is a plant's reaction to light, which includes elongation and leaf expansion. De-etiolation, which results in the development of photosynthetic structures, happens when the seedlings or shoot get exposed to sunlight or other sources of light.

Phytochrome is crucial in plants since it plays a role in light signaling and sensing. Phytochromes absorb red and far-red light, converting the light into a biochemical signal that initiates several developmental procedures. The activation of second messengers such as Ca2+, inositol triphosphate (IP3), and diacylglycerol (DAG) is crucial in initiating a series of biochemical and genetic changes that eventually lead to the production of green pigments during the formation of de-etiolation response protein.

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What are the four types of processes that cycle matter

Answers

Answer:

The water cycle, carbon cycle, nitrogen cycle, and phosphorous cycle are the 4 types of processes that cycle matter through the biosphere.

Explanation:

type a paragraph summarizing cellular division and differentiation
PLS HELP!!! PROJECT DUE IN 30 MINUTES!!

Answers

Answer:

Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. ... Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and during normal cell turnover.

Answer:

Cellular differentiation is when a cell changes from one cell type to another—usually, the cell changes to a more specialized class. Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and average cell turnover.

Explanation:

IM A DIFFERENT BREED!

10 different terminologies used in biology

Answers

abdomenabdomenabiogenesisabdomenabiogenesisabsorptionabdomenabiogenesisabsorptionactivation energyabdomenabiogenesisabsorptionactivation energyactive transportabdomenabiogenesisabsorptionactivation energyactive transportalleleabdomenabiogenesisabsorptionactivation energyactive transportallelealternation of generationsabdomenabiogenesisabsorptionactivation energyactive transportallelealternation of generationsanabolismabdomenabiogenesisabsorptionactivation energyactive transportallelealternation of generationsanabolismGenegenitic

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don't forget to make brainalist and keep smiling

Which letter is an example of
refraction?

Which letter is an example ofrefraction?

Answers

B? Im guessing I’m not sure

List the characteristics of cancer cells when compared to normal cells.

Answers

Cancer cells reproduce uncontrollably and lose their ability to communicate to other cells

how does our bodies sometimes act like a thermostat

Answers

We shiver and produce goosebumps to “turn on the heat”, and we sweat to “turn on the cool.” an organism must be able to maintain stable internal conditions in a changing environment

A fish farmer has a large pool used to grow a species of fish. The farmer decides to add a second species of fish to the pool. Both fish species feed on the same type of food, but the fish farmer does not increase the amount of food added to the pool, maintaining the same carrying capacity in the pool.
Which graph shows how the population of the two fish species will change?

A fish farmer has a large pool used to grow a species of fish. The farmer decides to add a second species

Answers

Answer:

D

Explanation:

Answer: D
Explanation: The capacity of fish to the ratio of population change increased and showed a variable degree of measurements.

Which of these substances would you
expect to have the lowest melting point?

a. sodium chloride
b. silicon dioxide
c. sodium hydroxide
d. paraffin

Answers

Answer:

d. paraffin

Explanation:

Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.

Using the base-paring rules, fill in the bases to be found on the complementary RNA strands, then write out the amino acid sequence from the following mRNA strands:


DNA: A-G- G- C- C- T- G- C- T- T- A-C


mRNA:


tRNA:


Amino Acids:

Answers

The full amino acid sequence from the given mRNA strand would be: serine-glycine-arginine-asparagine. A pairs with U (uracil) and C pairs with G (guanine). So the complementary RNA strand to the given mRNA strand would be: U-C-C-G-G-A-C-G-A-A-U-G.



Using the genetic code, we can translate the mRNA sequence into an amino acid sequence. The genetic code is read in groups of three nucleotides (called codons), and each codon corresponds to a specific amino acid. Here is the amino acid sequence that corresponds to the given mRNA strand:

U-C-C: serine
G-G-A: glycine
C-G-A: arginine
A-A-U: asparagine

The base-pairing rules and the genetic code, as well as the steps to determine the complementary RNA strand and amino acid sequence.

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The zebra mussel is a highly invasive species that was accidentally introduced to the Great Lakes region of the United States in the 1980s. The map below shows the distribution of zebra mussels in 2010. • Zebra mussel location What is the primary reason the large-scale spread of zebra mussels concerns scientists? Zebra mussels out-compete native mussel species. © Zebra mussels are a freshwater species. Zebra mussels are a desired food for humans. Zebra mussels are eaten by some fish and birds.​

Answers

Answer:

Although the map showing the distribution of mussels in not included but the question can be answered based on general understanding of invasive species. The answer is:

Zebra mussels out-compete native mussel species.

Explanation:

Invasive species in biology refers to the species of an organism that is foreign to a particular area/location with an ability to grow very rapidly to the point of being a threat to the local species of organisms that are native to the area.

This is the case of the Zebra mussel, which was accidentally introduced to the Great Lakes region of the United States in the 1980s. It is a major concern for scientists (like every other invasive species) because of its potential to outgrow and outcompete native mussel species i.e mussel species naturally found in the lake.

Answer:

community interaction

Explanation:

What is the normal/average pH level of lake in a healthy ecosystem?

Answers

Usually fresh water lakes have a pH range between 6.5 to 8.5, this is appropiate for many organisms life and development.

what is made when a sperm cell combines with the polar nuclei?

Answers

Answer:

Explanation:Two of the nuclei (the polar nuclei) move to the center of the embryo sac and fuse together, forming a single, diploid central cell. This central cell later fuses with a sperm to form the triploid endosperm, which will ultimately provide nourishment for the developing embryo (analogous to yolk in animal eggs).

Answer:

endosperm

Explanation:

The second fertilization results in the endosperm, which is a special tissue used to nourish the embryo.

a scientist splices a eukaryotic promoter in front of a bacterial gene and inserts the gene in a bacterial chromosome. would you expect the bacteria to transcribe the gene? why or why not?

Answers

A scientist splices a eukaryotic promoter in front of a bacterial gene and inserts the gene in a bacterial chromosome. Would you expect the bacteria to transcribe the gene? No, Prokaryotes use different promoters than eukaryotes
ANSWER ^

Hybrid offspring such as mules and zonkeys that are produced when two different, but similar species mate are not considered a true species because the hybrids are infertile. What type of reproductive isolation does this illustrate?


a. behavioral prezygotic reproductive isolation

b. gametic prezygotic reproductive isolation

c. postzygotic reproductive isolation

Answers

Answer:

I'd sat b

Explanation:

is this a question or a test or something

Vaccine is used to establish adapted immunity. Explain how this adapted immunity is established by mRNA vaccine.

Answers

mRNA vaccines work by introducing a small piece of the virus's genetic material, called messenger RNA (mRNA), into the body. This mRNA is specifically designed to instruct cells in the body to produce a protein that is found on the surface of the virus.

Once this protein is produced, the body's immune system recognizes it as foreign and produces an immune response, including the production of antibodies and immune cells that specifically target this protein on the virus.

This creates a specific and targeted immune response that can protect against future infections by the virus, establishing adapted immunity.

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why do water and small molecules move from the glomerulus into the filtrate? group of answer choices active transport secretion glomerular blood pressure diffusion down the concentration gradient diffusion against the concentration gradient

Answers

Water and small molecules move from the glomerulus into the filtrate due to glomerular blood pressure.

The fluid is forced into the glomerular capsule by the glomerular hydrostatic pressure that the blood inside the glomerulus causes. Contrary to the glomerular hydrostatic pressure, the fluid in the glomerular capsule exerts pressure that forces fluid out of the capsule and back into the glomerulus.

By virtue of the afferent arteriole's (the "ingoing" blood artery) bigger diameter than the efferent arteriole's, a higher blood pressure is generated within the glomerulus (the "outgoing" blood vessel). Because the decline in afferent arteriolar resistance is larger than the decline in efferent resistance in hypertension, the glomerular capillary pressure tends to rise.

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at which level of anxiety is focus flexible and the person is aware of the anxiety? How does the embryo sac end up with 8 haploid nuclei?. list 2 numbers that fit each description. You are the Communications Director for a large corporation with a very diverse workforce. Communication is extremely important in your business, and as such, you are always looking for new ways to improve communications.Your supervisor has asked you to research the AIDA Model of Persuasive Communication (AIDA: Attention, Interest, Desire, Action) for consideration within your business, as well as your recommendation of whether to adopt this methodology or not.Construct your recommendation to your supervisor in the form of a memorandum. While investigating a network connectivity issue, a technician finds that the link light on a workstation is not lit, and there is no connectivity after replacing the patch cable both between the workstation and the wall jack and between the patch panel and the switch with cables that are known to be good. If the wall jack and patch panel ports are labeled correctly, which of the following tools would the technician MOST likely use next? What does the word "Ecological Balance" mean? Federalist or anti-federalist"the objects of jurisdiction, are so numerous, and the shades of distinction between civil causes are oftentimes so slight, that it is more than probable that the state judicatories would be wholly superceded; for in contests about jurisdiction, the federal court, as the most powerful, would ever prevail." Find the force of the mass is 6kg and the acceleration is 12 m/s/s Which problem does the number line model represent?Look at the picture 1. If a ball of mass 0.4kg and radius 0.5m is rolling along a level surface without slipping, calculate thea. rotational kinetic energy of the ballb. translational kinetic energy of the ballc. total kinetic energy of the ball A 25lb child was ordered for Tylenol 115mg PO every 4 hour hours as needed for pain. Is this a safe dose (standard is 10-15/kg/dose) PLEASE HELP!!! I WILL GIVE BRIANLIST !!! 2. What is the density of an object with a mass of 400 g and a volume of 112 mL? Why couldnt the bicycle stand up by itself? A student received a coupon for 14% off the total purchase price at a clothing store. let b be the original price of the purchase. use the expression c - 0.14c for the new price of the purchase. write an equivalent expression to show another way to represent the new price. GEOMETRY The following proof was written to prove that triangle BCD is congruent to triangle DAB. The proof is incomplete. Complete the missing pieces. Line AB is parallel to line DC and cut by transversal DB. So angles CDB and ABD are alternate interior angles and must be congruent. Side DB is congruent to side BD because they are the same segment. Angle A is congruent to angle c because they are both right angles.By the ______ theorem, angle ADB is congruent to angle ____By angle- side triangle congruence theorem, triangle BCD is congruent to triangle DAB. Over the month, what changes can you expect to observe in the Moon? A. It will gradually increase in size for four weeks before it will begin to decrease in size for four weeks. B. It will gradually increase in size for approximately two weeks and it will gradually decrease in size for approximately two weeks. C. It will remain unchanged. D. It will gradually decrease in size for four weeks. Which poem should be read with different voices?a.Things to Do if You Are a Subwayc.The Sidewalk Racerb.Hard on the Gasd.all of the abovePlease select the best answer from the choices providedABCD Explain the development of the new england middle and southern colonies include reasons for settlement relations with native americans and economic development True or False: Politics is part of a process and government is part of the process