Which statement correctly describes the relative dating of rocks? A. It requires the use of fossils to determine the ages of rocks.
B. It can only be used for rocks more than a million years old.
C. It describes the age of rocks compared to other rocks.
D. It provides an exact numerical age for rocks.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line