What is a risk of using chemical pesticides on crops?
A
chemical contamination of streams and rivers

B
rotating crop production

C
genetic mutation of existing crops

D
attracting more insects to the harvest-able product

Which of the following is used to describe an animal's characteristics that increase the animal's chances of survival and reproductive success in a specified environment?
A
inheritance of acquired characteristics

B
convergent evolution

C
phyletic gradualism

D
adaptation

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.