Which of the following is not one of the three processes that were most intense during the first few hundred thousand years of the earths history?? Radioactive decay of unstable isotopes cooling of the mantle extraterrestrial impacts gravitational contraction of the earths interior

true is the answer : )

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

b is dominant over the allele for the white fur.