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KiRa [710]
3 years ago
12

How do the potential energy and the kinetic energy change when the skateboarder is at the top or the bottom of the hill? Why do

you think this change occurs?
Biology
1 answer:
Vikentia [17]3 years ago
7 0

Answer:

Potential at the top. Kinetic when going down the hill.

Explanation:

Its basically mechanical energy! While at the top you have the potential to go down and race down using kinetic energy.

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3 years ago
In a species of ground finch that inhabits the Galápagos Islands, the average beak size increased over several generations from
victus00 [196]

Answer:

d. directional selection

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In the Galapagos Islands during drought, the seeds to be fed on by finches are mostly large in size, giving rise to the survival of only finches with large beak size of 9 mm to 10 mm as against finches with small beak size. Finches with large beak sizes are favored over  finches with phenotypic traits of small beak sizes.

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