Which statement describes what is happening at high tide?
a. the moon is revolving more quickly than the earth is rotating.
b. the moon’s gravity is dragging water away from the equator.
c. the moon’s gravity is pulling ocean water into a bulge.
d. the sun’s gravity pulls with more force than the moon’s gravity.

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.