Answer:
Serotonin is an important chemical and neurotransmitter in the human body. it is believed to help regulate mood and social behavior, appetite and digestion, sleep, and memory
Because it’s more likely that chance events will significantly change the frequencies of alleles in the population
Answer:
a chaeta runs fast to catch its pray Please Mark Me Brainliest
Explanation:
A heterogeneous mixture is made of different materials that can easily be separated.
