Multiple Choice
During the Pleistocene ice age
A) there was one large episode of glacial advance.
B) there were several episodes of glacial advance and retreat.
C) Earth's entire surface was covered with ice.
D) Earth's oceans were completely frozen.
Correct Answer:
Verified
Correct Answer:
Verified
Q23: Going from oldest to youngest,the three periods
Q24: Uplift of the Rocky Mountains was a
Q25: In radioactive decay,when the parent material decays
Q26: The extensive glaciation of the Pleistocene caused
Q27: What was the one most important event
Q29: The first time period for which abundant
Q30: The time required for one-half of a
Q31: The Permian extinction predominantly affected<br>A)reptiles.<br>B)marine life.<br>C)insects life.<br>D)terrestrial
Q32: During the Mesozoic,the supercontinent of Laurasia fragmented
Q33: The iridium layer at the Cretaceous-Tertiary boundary