I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
Answer:
there was hunting and destruction of there habitats
Answer:
Glucose for the first one, good luck on the second
Explanation:
Answer: sympathetic nervous system prepares body for intense physical activity and known as flight or fight response whereas parasympathetic nervous system is almost the opposite, it relaxes the body and slows many human functions
Explanation:
A) gravitropism is how they "know"