potassium is very reactive. the radioactive isotope of potassium decays to the gas argon. by comparing the proportion of potassium to argon in a rock sample and knowing the decay rate, you can determine the rocks formation date.
asexual reproduction is a kind of reproduction by which children emerge from a single organism and obtain the genes of that origin only, the union of gametes is not included and nearly never varies the number of chromosomes. asexual reproduction enables people that are genetically identical to the parent plant. plants can produce seeds without fertilization by the process of apomixis, then the ovary emerges to new seeds. plants and fungi proliferate asexually.
put the same number of letters in each...