Answer:
States of life ?
Explanation:
maybe this ?
A balloon is filled with 6.5 L of helium gas at 25oC and 1.0 atm. What volume will the balloon have when the temperature is lowered to -25oC and the pressure is increased to 1.5 atm?
honestly i have no clue. but u can
Please draw a diagram of how a magnetic field works around a magnet. Please label.
CO2(g) + NH3(g) + H2O(l) → NH4HCO3(s) witch type of reaction plzz within 1 hour
Compare the human and the Amoeba together, here are the questions you'll be answering.
How does the
organism move?
How does the
organism breathe?
How does the
organism eat?
How many cells are in
the organism?
Neat fact (one) about
your organism.
Neat fact (two) about
your organism.
Neat fact (three) about
your organism
Answer:
1.They can move in a variety of ways, including walking, running, jumping, crawling, climbing, swimming, gliding, and flying.
2.Can breathe thanks to our respiratory system and lungs.
3.All animals eat other living things to obtain food. Carnivores consume other animals, whilst herbivores consume vegetation. As omnivores, or animals that consume both plants and other animals, humans are. Feeding on decomposing plants and animals are decomposers like fungus and earthworms.
4.36,2 trillion cell units. Although not the final figure, this is a pretty strong beginning.
How is density different from weight and mass?
Hello there!
How is density different from weight and mass you say? It's simple!
1. Unlike weight, density is composed of mass and volume.
2. By dividing the mass over the volume, you can determine an object's density, while weight is the product of mass and gravity.
Hope this helps :) if so, can I get Brainliest?
Which of the following might decrease the amount of water available in an ecosystem?Spilling oil
Dumping sewage
Constructing a dam
Producing acid rain
Answer:
constructing a dam
Explanation:
dams separate water
Which set of coefficients would balance the following equation?
Mg + AlCl3 → Al + MgCl2
A. 2Mg + AlCl3 → Al + 2MgCl2
B. 3Mg + 2AlCl3 → 2Al + 3MgCl2
C. Mg + 2AlCl3 → 2Al + MgCl2
D. 3Mg + 4AlCl3 → 4Al + 3MgCl2
The chemical equation which is balanced according to law of conservation of mass is 3 Mg + 2 AlCl₃ → 2 Al + 3 MgCl₂.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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Cole and his family decide to remove all of the plant material from the ground after the gardening season is over. How could this decision affect the nitrogen cycle and the soil?
Please help, if you can
Answer: Show explain
Explanation:
SORRY
Answer:
Explanation:
The eye symbol represents Which hazards
Answer:
This one should be REALLY easy for everybody to know but the answer is anything that can pose a hazard to your eyes
Explanation:
Answer:cyclone
Explanation:
How is interpreting a skeleton in an owl pellet similar to and
different from interpreting a fossil of a skeleton?
Answer:
Explanation: interpreting a skelton means stopping what its doing. While interpreting a fossil causes it to be taken out of its decaying form
How are some mutations similar? Provide examples.
Answer:
Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can also appear spontaneously during the replication of DNA. Mutations generally fall into two types: point mutations and chromosomal aberrations. In point mutations, one base pair is changed. A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations with small effects. Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious.
Have an awesome day friend! <3
Answer:
What is mutation and examples?
Resulta ng larawan para sa How are some mutations similar? Provide examples.
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Explanation:
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
Jasmine has been reading about mixtures and how they can be classified.
After reading about the kinds of mixtures and their characteristics, she wants to know how a heterogeneous mixture is different from a homogeneous mixture. What is the main difference between these two kinds of mixtures?
A. In a heterogeneous mixture, the components are not evenly spread throughout the mixture. In a homogeneous mixture, the components are evenly spread throughout the mixture.
B. In a homogeneous mixture, the components are not evenly spread throughout the mixture. In a heterogeneous mixture, the components are evenly spread throughout the mixture.
C. In a homogeneous mixture, the components are easy to see and are well mixed so the components show up in different parts of the mixture.
D. In a heterogeneous mixture, the components are difficult to see and are spread out uniformly throughout the mixture.
Answer: The correct option is (In a heterogeneous mixture, the components are not evenly spread throughout the mixture. In a homogeneous mixture, the components are evenly spread throughout the mixture.)
Explanation: Have a good day :)
Answer: its A
Explanation:
I already did the test
What landscape feature contributes to the dryness of deserts?
A. The open, flat areas of a desert prevent clouds from forming.
B. Desert canyons collect all water and funnel it out of the desert.
C. Desert lakes absorb all the water.
D. Mountains block the winds that bring rain clouds.
Answer:
As I'm Not % Sure I Can Say C & D don't seem Right, Leaving A & B Having Me to Think the Answer is A (Hope I'm Right Good-Luck)
Explanation:
Answer: Mountains block the winds that bring rain clouds.
Explanation: By acting as obstacles to the flow of air masses, mountains contribute significantly to the dryness of deserts. Orographic lifting is a process that occurs when moist air is forced to ascend as it approaches a mountain range. The moisture in the air condenses and forms clouds as the air cools as it climbs. As a result, on the windward side of the mountains, the air loses a lot of its moisture as precipitation. The air has already lost a significant amount of moisture by the time it reaches the leeward side of the mountains, creating a rain shadow effect. On the leeward side of the mountains, this impact results in a dryer area that is often a desert. Consequently, the existence of mountains influences
How to work out the relative mass of potassium? What is the calculation? ( explained very easily )
Answer:
39
Explanation:
Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.
In this activity, you will investigate how the motion of objects of different masses is affected when the same force is applied to them. You will use the scientific method to set up your experiment. Question__________________________________.
Answer:if a bot walks up to you what do you do
Explanation:
you slap the F out of them
Which environmental policy must consider the expensive startup costs associated with building machines that harvest energy from clean sources?
reducing air pollution
regulating deforestation
introducing new farming methods
protecting ocean reefs
Reducing air pollution must consider the expensive startup costs associated with building machines that harvest energy from clean sources.
What is air pollution?The term 'air pollution' refers to all contaminants (pollutants) that decrease the quality and purity of air.
The main substance that causes air pollution is carbon monoxide (CO), which is released from old cars.
Air pollution may cause serious harm to the health and wellbeing of the community, and they are associated with harvest energy.
In conclusion, reducing air pollution must consider the expensive startup costs associated with building machines that harvest energy from clean sources.
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Which statements accurately describe matter? Check all that apply.
1. Only living things are made up of matter.
2. Matter is made up of tiny particles called atoms.
3. Atoms were discovered in the twenty-first century.
4. Atoms cannot be divided and still retain the properties of its original state.
5. A single atom can be seen only with a standard microscope.
only 2 and 4 are accurate im pretty sure
Brainliets to ever answers all questions and get all right
1.What are the 2 types of cells (not plant and animal)? Describe each type.
2.Are you made of prokaryotic or eukaryotic cells? Explain why you chose your answer.
3.Are bacteria prokaryotic or eukaryotic? Explain why you chose your answer.
4.What parts do all cells have in common? List at least 2.
Label the numbered parts of the cell:
pic downloaded below
8. __________________
9. _________________
12. Using the onion cell diagram above, which organelle is responsible for the greenish color?
13. Which organelle is the red arrow pointing towards?
14. Both plant and animal cells contain mitochondrion however they are not in equal amounts.
Between the cheek and onion cells, which one do you think would contains the greater amount of mitochondrion and
why?
15. Compare in your own words, at least 2 differences in plant and animal cells.
16. Why does a plant cell need a larger vacuole?
17. Animal cell do not have chloroplasts. Why not?
18. What are the 3 components of the cell theory? Put in your own words.
19. Choose one part of the Cell Theory and describe an experiment you could do that would give evidence to support your claim.
20. How can a microscopic paramecium and a large giraffe both be described by the cell theory?
Answer:
The two types of cell are:
-Eukaryotic cell
-prokaryotic cell
Description:
Eukaryotic cell: These are organisms who have a nucleus enclosed within a nuclear envelop. It does not have a cell wall unlike prokaryotes. It has mitochondria and other cell organelles.
Prokaryotic cell: Organisms with no distinct nucleus and other major cell organelles.
We humans are made up of Eukaryotic cell type as we have membrane bounded nucleus and all the essential major organelles to perform vital body function. Humans have complex organization of cells. Cells have cytoskeleton and organelles surrounded by cytoplasm.
Bacteria are prokaryotic, as they have cell wall made of peptidoglycan, they lack nucleus and membrane bounded organelles. Hence considered to be unicellular life forms.
Similarities between prokaryotes and Eukaryotes:
-Both have cell membrane
-Both have genetic material
- Both have ribosome
-Both have cytoplasm
-Both have vacuole
5. The cell wall is like House because it protects the family members inside as cell wall protects the substance inside the cell.
6. The cell membrane is like airplane because it allows passenger to come in and go out the way cell membrane allows substances to enter and leave.
7.The vacuoles is like a basketball because both acts as storage, basket ball stores air and vacuole store other substance.
8.nucleus
9.Vacuole
10.Cytoplasm
11. Cell wall
12.Chloroplast
13. Nucleus
14.Cheek will have greater number of Mitochondria as great function and more energy required which will be released in form of ATP.
15. Differences:
1.Animal cell do not have cell wall whereas plant cells have cell wall.
2. Animal cells have several small vacuoles whereas plant cells have one large nucleus.
3.Plant cells have chloroplast but Animal cells don not.
16.Plants have single large vacuole as it performs two main function
i)To keep the plant upright
ii)To store water
Large vacuole protect cell from potential harm.
17.In plants chloroplast main function is to synthesis food whereas in humans there is no such need as they get sugar from the food they eat.
18. components of cell theory:
1. All living things are composed of cell.
2.Cells are basic units of structure and function for two living beings.
3.All cells come from pre existing cells.
19. All living things are composed of cell:
Experiment:
Cut sections can be taken of Human hair, onion and bacterial colony. Slides can be prepared and viewed under microscope to confirm the presence of cell.
20. They can be distinguished on basis of microscopic result A Giraffe is a multicellular organism hence multiple cells will me visible under microscope where as a Paramecium is single cell organism.
Explanation:
People use hot air balloons to rise high above the ground and be pushed by air currents from one place to another. The diagram shows a hot air balloon.
A type of chemical reaction, called combustion, takes place between propane and oxygen in the burners.
a. Describe a likely result of this chemical reaction that allows a hot air balloon to rise.
b. Describe a design feature the distance a hot air balloon can travel. Explain your reasoning.
Fueled by propane cylinders, gas jets produce the hot air that fills the envelope (similar to ones you might use on a portable camping stove).
WorkingSince heated air rises, hot air balloons are functional. with the rest. As though it were floating in water, the balloon rises as a result of this. The balloon naturally starts to slowly deflate if the air is allowed to cool.The molecules in the air start to migrate and spread out as the air within the balloon is heated, which results in a decrease in the air's density. The heated air is pushed below the cooler, surrounding air. the warm air is pushed upward as a result of this.For more information on hot air balloon kindly visit to
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Develop models bonds can be placed on a scale that ranges from 100% ionic to 100% covalent. Use what you know about the types of bonds that specific elements tend to form to place each of the following compounds in the correct location on the scale: CO2, N2 , NaF, H2O
Answer:
Bonds can be placed on a scale that ranges from 100% ionic to 100% covalent.
CO2: CO2 is a covalent compound, with each carbon atom sharing electrons with two oxygen atoms. Therefore, it can be placed closer to the 100% covalent end of the scale.
N2: N2 is a covalent compound, with each nitrogen atom sharing electrons with another nitrogen atom. Therefore, it can be placed closer to the 100% covalent end of the scale.
NaF: NaF is an ionic compound, consisting of a sodium cation (Na+) and a fluoride anion (F-). Therefore, it can be placed closer to the 100% ionic end of the scale.
H2O: H2O is a polar covalent compound, with the hydrogen atoms sharing electrons with the oxygen atom, but the electrons are not shared equally, therefore the oxygen atom has a partial negative charge and hydrogen atoms have a partial positive charge. Therefore, it can be placed closer to the middle of the scale, between ionic and covalent.
Overall, the scale can be represented as follows:
100% Ionic <-------> NaF <-------> H2O <-------> CO2 <-------> N2 <-------> 100% Covalent
Match the following.
Drag the appropriate labels to their respective targets.
Answer:
oxygen - O2
chlorine- Cl2
neon- Ne
calcium- Ca
iodine- I
hydrogen- H2
Ne₂(g) - Neon gas (Ne)
I(s) - Iodine solid (I₂)
Ch(g) - Chlorine gas (Cl₂)
Ca(s) - Calcium solid (Ca)
O(g) - Oxygen gas (O₂)
H2(g) - Hydrogen gas (H₂)
Cl(s) - Chlorine solid (Cl₂)
O2(g) - Oxygen gas (O₂)
1. Ne₂(g) - This label represents the chemical formula for neon gas, which is Ne. Neon is a noble gas that is commonly used in neon signs due to its bright orange-red glow when an electric current is passed through it.
2. I(s) - This label represents the element iodine in its solid state. Iodine is a nonmetallic element that exists as a purple-black solid at room temperature.
3. Ch(g) - This label represents a gas called chlorine, which is chemically represented as Cl₂. Chlorine is a halogen gas that is used as a disinfectant and in the production of various chemicals.
4. Ca(s) - This label represents the element calcium in its solid state. Calcium is an alkaline earth metal that is commonly found in rocks, shells, and bones. It is essential for the proper functioning of our bodies and is also used in construction materials.
5. O(g) - This label represents oxygen gas, which is chemically represented as O₂. Oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.
6. H2(g) - This label represents hydrogen gas, which is chemically represented as H₂. Hydrogen is the lightest and most abundant element in the universe. It is used in various industries, such as the production of ammonia and petroleum refining.
8. Cl(s) - This label represents the element chlorine in its solid state. As mentioned earlier, chlorine is a halogen gas, so the correct label for chlorine in its solid state should be Cl₂(s).
9. O2(g) - This label represents oxygen gas, which is chemically represented as O₂. As mentioned earlier, oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.
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Calculate the volume (in cm3
) of 54 g
of water at 1 ∘C
.
Express the volume in cubic centimeters to two significant figures.
NEED ASAP WILL MARK BRAINLIEST ON TIMER
A student determines that she used 0.0665 mol of sodium hydroxide (NaOH) to completely titrate 25.00 mL of sulfuric acid solution (H2SO4). What is the molarity of the sulfuric acid?
0.00131 M
0.00262 M
1.31 M
2.62 M
A student determines that she used 0.0665 mole of sodium hydroxide (NaOH) to completely titrate 25.00 mL of sulfuric acid solution. The molarity of the sulfuric acid is 1.31 M. Therefore, option C is correct.
What is molarity?Number of moles of solute per liter of solution is known as molarity.
The balanced chemical equation for the reaction between sodium hydroxide and sulfuric acid is:
2 NaOH + H₂SO₄ → Na₂SO₄ + 2 H₂O
According to the balanced equation, one mole of sulfuric acid reacts with two moles of sodium hydroxide. Therefore, the number of moles of sulfuric acid in the titrated solution can be calculated as:
moles of H₂SO₄ = (moles of NaOH) / 2
moles of H₂SO₄ = 0.0665 mol / 2
moles of H₂SO₄ = 0.03325 mol
The volume of the sulfuric acid solution used in the titration is 25.00 mL, which is equivalent to 0.02500 L. The molarity (M) of the sulfuric acid can be calculated as:
Molarity of H₂SO₄ = moles of H₂SO₄ / volume of H₂SO₄ solution in liters
= 0.03325 mole / 0.02500 L
= 1.31 M
Thus, option C is correct.
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Please help urgent !!! How does an instant cold pack get cold so quickly?
Answer:
When the inner bag of water is broken by squeezing the package, it dissolves the solid in an endothermic reaction. This reaction absorbs heat from the surroundings, quickly lowering the pack's temperature.
Explanation:
Uh, yea.
Have a good day!
Which point on the roller coaster's path represents the maximum (greatest) potential energy?
Answer:
Point A
Explanation:
The greatest point of the stored energy of an object is the time when it's in its highest point, just before falling.
write a short story using the characteristics of the subatomic particles and their locations in the atom. For example, you need a positive character, a neutral character, and a negative character. You need two different locations. One to be the center location of the story and the other to be outside the center. At a minimum you should have at least 1 paragraph with about 5 sentences. Make sure that you use complete sentences.
Make sure it is school appropriate!!
11 The diagram below shows two important parts of the human digestive system.
Answer:
A c B
Explanation:
i would love to do ya homework
Which option is an example of a chemical property?
melting point
density
ability to decompose
color
Choose the phrase that best defines ecosystem service. (1 point)
Human:
✧・゚: *✧・゚:* Answer: *:・゚✧*:・゚✧
✅ the first one
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Answer:
the third one but its probably wrong
Explanation:
because