What kind of energy does an unlit match have?
What is causing the plates of granite rock to flake off?
◯ A. Oxidation of iron to form iron oxide
◯ B. Strong winds carrying particles of rock
◯ C. A change in pressure once exposed at the surface
◯ D. Carbon dioxide dissolved in water forming an acid
Ocean surface temperatures are rising with global warming. Which of the following is another possible consequence?
◯ A. Gyres change direction.
◯ B. Low tides disappear.
◯ C. Earth's spin changes direction.
◯ D. Polar caps melt.
