Which statement describes the chemical property of copper that results in the formation of tarnish?
O A. It does not burn.
O B. It has a very high boiling point.
C. It has a low density.
O D. It reacts easily with other substances.

Why are some places regularly warmer or cooler than others in a given month

Which of these reproductive method is the only on available to mosses and fernsspores

Which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea. c. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. d. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated.