The relflex arc is basically a connection of nerves in your nervous system that doesnt pass through the brain.
B.) Water because snow, hail, and sleet are all water when melted.
Answer:
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).
Hope this helped :)
Option 2 is the correct answer because two bases will be equal in quantity
