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kondaur [170]
2 years ago
14

"what are the two sources of energy that power the earth system?"

Biology
1 answer:
den301095 [7]2 years ago
7 0
1.sun
2.the earth's interior
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The skull is designed to
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The skull is designed to protect the brain.
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3 years ago
Where was hydrogen discovered?
julsineya [31]

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It was discovered 1766

Explanation:

Discoverers: Henry Cavendish, Antoine Lavoisier

Atomic mass:1.0084u

Atomic number:1

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If a person didn’t have red cones, how would their perception of color change?
loris [4]

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They would be color blind.

Explanation:

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3 years ago
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The principal microtubule-organizing center in animal cells is the ____________. A. centrosome. B. centromere. C. kinetochore. D
Gwar [14]

Answer:

A. centrosome

Explanation:

  • The centrosome is known as the main microtubule-organizing center in the animal cells. 
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4 0
2 years ago
Which level of organization is characterized by a group of cells that work together to perform a common function
Whitepunk [10]

Hey there! :D

Organization in organisms is like this:

cells => tissues => organs => organ systems => organisms

Since we are talking about a group of cells, this would be a tissue. Don't let the word 'function' confuse you. Tissues do functions as well as an entire organ or organ system.

It is helpful to use the flow chart when asked questions like these, so make sure to memorize it! It will be helpful in any level of science.

I hope this helps!

~kaikers

4 0
2 years ago
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