Which of the following best describes a adaptation brought about by natural selection

I'm not sure what the answers are but

Polar bears begin to eat goose eggs as a way to survive when seals, their usual prey, are not available.

Mountain goats restrict their range to higher altitudes because of warmer low-altitude temperatures.

Snowshoe hares change their fur from white to brown to match their warm summer habitats.

Early humans learn to make tools like flint arrows and knives to help them hunt more efficiently.

if these are your options then the answer is

C) Snowshoe hares change their fur from white to brown to match their warm summer habitats.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.