The past 2 million years, which includes our present time, is known to geologists as the:
A) Cambrian Period
B) Quaternary Period
C) Cenozoic Era
D) Mesozoic Era
E) Precambrian Period
Question 2
Which of the following is not true of dry climates?
A) Dry climates are generally located in bands immediately to the north and south of the low-latitude humid climates.
B) Many dry regions are associated with the subtropical high pressure zone.
C) Some deserts are caused mainly by mountain ranges that isolate land from ocean sources of moisture.
D) Arid climates have severe moisture shortages year round, while most semiarid climates have a rainy season in which sufficient moisture is available for abundant, if brief, vegetation growth.
E) Both arid and semiarid regions lack sufficient moisture and heat to make any plants grow for more than a month each year.