Answer:
An object's <u>mass</u> will remain constant throughout the universe, but it's <u>weight </u>can change from planet to planet. If you increase the mass of a planet, what happens to its gravity? <u>Strength of Gravity increases.</u> If the gravity on a planet decreases, what happens to the weight of an object on that planet? <u>Weight Decreases</u>
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Answer:
I believe the answer is C.
Explanation:
Hope my answer has helped you!
I think Oxygen is the best answer.
This has happened before in Yellow Stone National Park in CA. Removing a species form the Pyramid causes the ecosystem to collapse, as species become over hunted and others are starved. One type of organism could become overpopulated, therefor lack of natural variation.