Based on what you learned from the research, what has impacted the climate the most in the last 5 thousand years?

i'll try what topic lol

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).

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.