(Q017) The age of oceanic crust a. is the same throughout the world's oceans. b. is greatest at the mid-ocean ridge and least farthest from the ridge. c. has been determined by radiometric dating. d. indicates that the oldest oceanic crust is approximately 600 million years old.

Which of the following statements about pesticides and residue is false? a. most conventionally grown produce has detectable levels of pesticides when purchased from the store.b. the us government has determined that small levels of pesticides in produce is safe for humanconsumption.c. organic produce always will be pesticide-free.d. farm workers, children, and pregnant women are at greatest health risk from pesticides. select the best answer from the choices provided.

What are canada’s major boundaries?

In what way does renewable energy differ form nonrenewable energy?