Answer: doll
Explanation:
Water is the first word that Miss Sullivan teaches Helen to spell. Therefore, option (D) is correct.
Miss Sullivan, also known as Anne Sullivan Macy, was the teacher and companion of Helen Keller, a deaf-blind writer and activist. Miss Sullivan played a vital role in helping Helen learn language, reading, and writing, and she remained her lifelong friend and mentor until her death in 1936.
The first word that Miss Sullivan teaches Helen to spell is "water" in the book "The Story of My Life" by Helen Keller. This moment is considered a breakthrough in Helen's education and communication because it was the first time she made a connection between the word and the object, and she began to understand the concept of language.
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Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots.
Answer:
Okay...In this case I suggest you use corn seed or beans seed
Explanation:
It should take about 6 weeks to see the Germination, until then continue watering it and giving it sunlight
The seed germination investigation during the students' summer vacation involves selecting various seeds (e.g., beans, peas, sunflower) and setting up an experiment. They will place the seeds in different conditions, like light vs. dark or wet vs. dry, and pot the same seed in multiple pots. Throughout the investigation, the students are expected to carefully observe and document the changes that take place over time, including the growth of roots and shoots. This hands-on approach allows them to gain practical knowledge of seed germination and develop essential scientific skills in observation, data collection, and documentation.
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
Key Questions and Terms Notes
What are two ways scientists learned about the interior of Earth?
What is some direct evidence scientists used to determine that Earth has liquid layers beneath the crust?
How is a seismograph similar to an X-ray?
How do scientists use earthquake waves to determine the composition of layers of the earth?
Briefly describe the characteristics of the four main layers of Earth. Include temperatures.
Crust:
Mantle:
Outer core:
Inner core:
Where are tectonic plates located?
What is the difference between oceanic crust and continental crust?
Briefly describe the three layers of the mantle. Include temperatures.
Lithosphere:
Asthenosphere:
Mesosphere:
What do you notice about the temperatures as you go deeper into the layers of the earth?
Describe the movement of the asthenosphere.
How do convection currents cause tectonic plates to move?
Convection currents cause changes in the Earth’s crust. Describe what would happen in each situation.
Plates move apart:
One plate goes under another:
Plates move together:
How do temperature, pressure, and density impact the core of Earth?
Explain why Earth is not a perfectly round sphere.
Organize the parts of this body system in the correct order according to the levels of organization in a multi-cellular organism, simplest to most complex.
The system is Brain, Central nervous system, Human being, Nerve tissue, Neurons.
Answer:nerve tissue neurons, central nervous system, brain, human being
Explanation:yes
the reproductive organs of the male are the ____
ovaries
testes
sperm
eggs
Answer:
Testes.
Explanation:
The reproductive organs of the male are the testes, which produces sperms.
The reproductive organs of the female are the ovaries, which produces eggs.
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Highly organized systems like living cells should have _____.
a. High energy
b. High entropy
c. Low entropy
d. Low energy
At the age of 13 is it normal to have menstruation 2 times a month or you should be worried.
Answer:It's often normal during the teen years to have irregular periods. When a girl's period is irregular, it might come more than once a month or only come every few months. Some girls find they get their period more than once some months, then they might not have another for several months.
Explanation:
Students view two different cells under a microscope. They record their observations in the table shown.
Part A
Based on the organelles observed, which two help the students determine it is a plant cell?
Part B
The function of these 2 organelles are and
IS MY CLASE OF SCIENCE 8th
What can reconstructed skeletons or models of fossils tell us?
Alfred Wegener noted that fossils from a particular type of reptile are found on both sides of the Atlantic ocean. Which of the following would be the best explanation of how this occurred?
Answer:
B. The Atlantic Ocean did not exist in earlier times.
Explanation:
It simply didn't yet exist; there was only Pangaea surrounded by a global ocean. Before the Atlantic Ocean could open Pangaea had to be split. ... Deep beneath the Atlantic's waves it erupts as lava, providing new crustal material as it slowly pushes the continental plates apart.
If a 20 kg object is lifted to a height of 10m, how much potential energy will it have
20 PTS Animals are connected within an ecosystem. For example, plants are food for other animals. Those animals become food for other, larger animals. This animal connection is known as ______.
the food web
the air they breathe
the rate at which they use energy
the predators present
Answer:
A. The food web
Explanation:
Bob studies for a test and Jackie does not study. After the test, they compare their scores.
B : Independent Variable:
A : Dependent Variable:
Answer:
I: studying for a test
D: the score on the test
Explanation:
The independent variable would be studying for the test because it could change/it is controlled. The score on the test depends on how much they studying (i.e. dependent variable depends on the independent variable.)
question and answer in image.
Evidence of plate movement includes_______, which is based on the fact that continents fit together like pieces of a ______.
Answer: First one is "geography" or "terrain," and the second one is "puzzle."
Which of these organisms is not a chordate?
earthworm
snake
sea squirt
human
Which of the following is evidence of the evolution of living species?
A homologous structures
B analogous structures
C vestigial structures
D all of the above
pls help me will mark brainlyest :) :
Internal and External Structures
You are now going to construct an argument that plants have internal and external structures that support growth and reproduction.
Choose the internal and external structures you want to gather evidence and create a statement about.
subject: sciences
Explanation:
Some structures are internal, like the lungs, brain, or heart. Other structures are external, like skin, eyes, and claws. Some structures are unique, like the long neck of a giraffe. Other structures are more common, like a heartStructure and Function: Plants and animals have both internal and external structures that serve various functions in growth, survival, behavior, and reproduction.
Which sentence best describes how energy flows through an pyramid?
The organisms at the bottom level provide energy directly to organisms in all the other levels
.
Some energy is transferred from organisms in one level to those in the level above.
Energy is transferred down each level of the energy pyramid.
The energy lost at each level is consumed by organisms in the top level.
Answer:
The energy lost at each level is consumed by organisms in the top level.
Explanation:
Energy is transferred down each level of the energy pyramid. So that is the best sentence!
How did the railroad help change the prairie?
A.The railroad broke up the long, continuous stretches of the grassland where animals could roam freely.
B.They used coal as a fuel, which caused pollution that harmed the grasses.
C.Railroads frequently ran into bison and other animals on the tracks, which disrupted the ability of the animals to roam freely.
D.Railroads were very noisy, which scared animals and disrupted their living patterns.
Please help me
Which best describes the plate tectonic theory?
A) The Earth is a big puzzle
B) Broken plates of the Earth float on the liquid mantle
Chapter 3 light waves quiz
Question 1:
Which is the correct wave choice for light
source B?
How do you know?
Question 2:
Use diagram 2 on the left to answer the
questions below. a) Did Object 1 absorb energy from
the light? Explain your answer.
b) Did Object 2 absorb energy from
the light? Explain your answer.
Answer:
that’s a hard question
Explanation:
what are real life items that can't be used for storage?
A motorcycle slows down from 40 m/s to 20 m/s. If this takes 4 seconds,
what is the motorcycle's acceleration?
A. -5 m/s2
B. -10 m/s2
C. 20 m/s2
D. 20 m/s2
I believe the answer is A. -5 m/s2
Answer:
a=v-u
t
a= 20-40
4
a= -20
4
a=-5
Please help, it's about space and it's for my science class!
Conservation Activity
What roles do society, politics, and economics play in science?
Discovering the roles and influence that society, politics, and economics have on science takes some practice. Sometimes these influences are not obvious but appear only after a solution to the problem has been tested over a period of time.
These articles describe conservation problems and solutions that were influenced by scientific, social, economic, or political issues. As you read each article, take note of the sections that represent these factors. You will use these articles in your assignment for this lesson.
Using Forests Wisely
Forest
Community Conservation
Sky view of a town
Using both of the articles, answer the questions below. You can answer questions on a word processing document and upload it for grading, or you can submit answers to questions directly. Be sure to review the grading rubric before you begin.
Summarize the scientific information that leads to conservation in each of the articles.
What social issues affected the problem or its solution in each of the stories?
How did economics delay scientists' first attempts for conservation in each story?
Describe the political actions that led to successful conservation in both stories.
Answer:
1A) The articles are expressing that how each field affects conservation. They also talk about problems and solutions that are influenced by social, economic, or political issues.
2A) If people stop cutting down as many trees, there won’t be as many resources from that such as paper may be the cost will go up. Companies will be mad if people stop them from doing business, cutting down trees, and making money for example some experiences people had when they confronted companies went like this, "We had chief executives slamming the phone down on us. I even had people threaten to punch me." But there are a lot of good things happening such as a lot of materials are made that are FSC certified so you can have a clear conscience.
3A) If people are cutting down trees, then those companies aren’t getting money then they lose job opportunities without people there doing their jobs then no products like paper can be made. Also, if trees aren’t being cut down clearing space places like houses or malls can’t be built there. There are some solutions though like what FSC certified places do is after they cut down a tree they plant a new one in that exact spot.
4A) A lot of countries are becoming FSC certified such as Russia. Just a little bit ago Russia had a very little forest that was FSC certified now it's 260,000 sq. km—a quarter of its commercial forests. 40 percent—of the forest area of Europe and North America is certified by the FSC...
Using the evidence above a plain which color guppies would survive in each environment (prefator and no predator) and why
Plz will be marked BRAINLIEST and thanks
Answer:
As we can see from the graph above, brightly colored guppies would only survive in environments without predators, as they have worse camoflague thanks to their bright tail fins. In an environment with predators, guppies with plain/not brightly colored tail fins would survive better, seeing how while even placed in the predator's sight the guppies were less likely to be attacked when not brightly colored.
State the functions of the skeletal system, including the number and the major bones in the human skeleton.
The skeletal system serves several important functions in the human body. These functions include:
1. Support: The skeleton provides the structural framework for the body, giving support and shape to the organism.
2. Protection: The skeletal system protects vital organs such as the brain, spinal cord, heart, and lungs. For example, the skull protects the brain, the ribcage protects the heart and lungs, and the vertebrae protect the spinal cord.
3. Movement: Bones act as levers for muscles, enabling body movement. The skeletal system works in conjunction with the muscular system to facilitate motion.
4. Mineral storage: Bones store essential minerals, such as calcium and phosphorus, which are necessary for various body functions.
5. Blood cell production: Red and white blood cells, as well as platelets, are produced in the bone marrow, which is found in some bones.
6. Energy storage: Yellow bone marrow, found in the medullary cavity of long bones, stores energy in the form of fat.
The human skeleton consists of 206 bones in adults. Some of the major bones include:
1. Skull: Comprised of the cranium and facial bones, it protects the brain and supports the structures of the head.
2. Spine (vertebral column): Consists of 33 vertebrae, which protect the spinal cord and support the upper body.
3. Ribcage: Includes 12 pairs of ribs, the sternum, and the thoracic vertebrae, which protect the heart and lungs.
4. Humerus: The long bone in the upper arm, connecting the shoulder to the elbow.
5. Radius and Ulna: The two bones in the forearm, connecting the elbow to the wrist.
6. Femur: The long bone in the thigh, connecting the hip to the knee, and is the longest bone in the body.
7. Tibia and Fibula: The two bones in the lower leg, connecting the knee to the ankle.
8. Pelvis: A basin-shaped structure that supports the spine and organs of the lower abdomen, and connects the spine to the lower limbs.
These are just a few examples of the major bones in the human skeleton.
Answer:
Explanation:skeletal system functions are diffrent of types . In addition to defining our shape and traits as humans, it:
enables movement: Your skeleton helps you stand and move by supporting your weight. Your bodily components are movable thanks to the cooperation of joints, connective tissue, and muscles.
Bone marrow, which makes blood cells, is found in bones. The bone marrow makes RBC AND WBC
supports and shields organs: Your ribs shield your heart and lungs, your backbone shields your spine, and your skull shields your brain.
Mineral storage: Your bones are where your body stores minerals like calcium and vitamin D.
HELP ASAP!!! In what way are moss and fern reproduction the same? (1 point)
Both spend the majority of their time in the gametophyte stage.
Both spend most of their time in the sporophyte stage.
Both need water for the gametes to unite.
Both need wind for the gametes to unite.
The diagram shows a eukaryotic cell.
Which of these functions is NOT performed by the organelles labeled X as they interact with other structures within the cell?
A) The organelles destroy harmful materials that have entered the cytoplasm
B) The organelles digest food that passes into the cell through the cell membrane.
C) The organelles break down other organelles such as mitochondria when they are worn out.
D) The organelles carry genetic material from inside the nucleus to the chloroplasts for reproduction.
The organelles carry genetic material from inside the nucleus to the chloroplasts for reproduction.
The correct option is D.
Which cells are organelles?It's also crucial to remember that eukaryotes, being one of the three main cell divisions, are the only ones to have organelles. Prokaryotes, which include the other two major divisions of bacteria and archaea, lack membrane-bound organelles.
What tasks do organelles perform?Like an organ in the body, an organelle is a subatomic structure that performs one or more particular functions for the cell. Some of the more important cell organelles are the nucleus, which stores genetic material, the mitochondria, which provide energy stored, and the golgi apparatus, which assemble proteins.
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