Answer:
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
I'm pretty sure they are talking about the revolution of the moon orbiting the Earth. (Which is going counterclockwise) I'm not 100% sure though.
Answer:
The Revolutionary War (1775-1783)
War of 1812 (1812-1815)
Mexican - American War (1846-1848)
American Civil War (1861–1865)
Spanish-American War (1898)
World War I (1914-1918)
World War II (1939-1945)
Korean War (1950-1953)
Explanation:
