Fossils of ancient polar plants are currently found near the equator because the ________
A) entire earth had polar conditions at the time the plants were living
B) plants lived near the poles, but landmasses have drifted to current locations
C) plants probably were tolerant of both tropical and polar conditions
D) plants were distributed to current locations by ancient glacial ice sheets
E) poles were at the equator at times in the geologic past
B
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Answer the following statement(s) true (T) or false (F)
1. Buddhism, Judaism, and Christianity are all universalizing religions. 2. Most of the heat you feel on a hot day comes from the sun shining directly on you. 3. Global warming is a concern because it could melt the icecaps and cause flooding. 4. Prehistoric hunters and gatherers had no impact on the physical environment. 5. Of the percent of Earth's surface that is land, much of that is uninhabitable.
Sunspots occur in cycles with the maximum number of sunspots occurring about every ________ years
A) five B) nine C) eleven D) fifteen
Which of the following is a factor in determining the overall number of casualties from an earthquake?
A) magnitude only B) building codes only C) population density only D) time of day only E) magnitude, population density, building codes, and time of day
The stability of the atmosphere is determined by the way the air temperature changes with height, which is known as the ____
a. inversion rate b. mixing layer c. mixing depth d. lapse rate e. stabilizing rate