If the half-life of the pesticide is 12 years
what fraction of the pesticide will be left after 36 years? 100 years?
how many years will it take fir for 99.9% of the pesticide to decompose?

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

What are the similarities of physical and chemical change ?

When a septic tank backs up a goes in to clean it out