Answer:
Long necks were a random genetic change and resulted in the gradual increase of organisms with long necks.
Answer:
b
Explanation:
Cellular respiration; complementary reaction to photosynthesis, because it's the reaction that cells use to break down glucose molecules and release atp.
Answer:
Sadness has sad feeling. for example, if a friend dies, you will cry. that is what sadness is.
Explanation:
