Answer:
B.secrete hormones directly into the bloodstream
Answer:
Nonrenewable resources are never replaced.
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Answer:
100,000 years
Explanation:
A photon of light takes only eight minutes to get to the Earth from the surface of the Sun. But it can take 100,000 years from the core of the Sun to get to the surface. Where it bursts out and flies at the speed of light.
