The separation of the earth into layers was the result of the:

a. presence of water at earth's surface.
b. initial collection of materials and their position in earth.
c. decrease in temperature downward toward the core.
d. differing densities of the rock and mineral materials.
e. gravitational force created by the rotating earth.

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.

In order from largest to smallest what are earths five main oceans

Which of the following statements best describes the quantity theory of inflation? a. inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these