Answer:
B
Explanation:
Alternative energy is the same thing as renewable energy which should be natural processes
<span>Genetic variation can be caused by mutation (which can
create entirely new alleles in a population), random mating, random
fertilization, and recombination between homologous chromosomes during
meiosis (which reshuffles alleles within an organism's offspring)</span>
B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)
Answer:
Serotonin
Explanation:
Please mark me brainliest
