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.

Are the earth's ocean floor and continents the same age geologically? why or why not?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these