Glacial deposits gave strong evidence of the existence of Gondwana because ____.
a. a single continent in high latitudes was more sensible than low latitude glaciation on several continents
b. glacial striations showed that all glaciers on each continent had flowed from a central location
c. fossil plants indicated tropical climate in the northern continents
d. a single continent in high latitudes was more sensible than low latitude glaciation on several continents AND glacial striations showed that all glaciers on each continent had flowed from a central location
e. a single continent in high latitudes was more sensible than low latitude glaciation on several continents AND fossil plants indicated tropical climate in the northern continents
d. a single continent in high latitudes was more sensible than low latitude glaciation on several continents AND glacial striations showed that all glaciers on each continent had flowed from a central location
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Which conditions promote the growth of coral reefs?
A. clear water B. warm water C. shallow water D. All of these conditions promote the growth of coral reefs.
Give a brief overview of the terrestrial carbon cycle. Include the source of carbon that enters terrestrial ecosystems, how carbon moves through ecosystems, and how carbon ultimately leaves ecosystems
Explain how part of this cycle is believed to contribute to global climate change.
A graphical representation of 0°C water being warmed shows
A. contraction due to melting of ice crystals in the water. B. expansion due to thermal expansion. C. both expansion and contraction simultaneously. D. all the above
What is one characteristic of exurbs?
A. They are densely packed. B. They are often almost indistinguishable from cities. C. They lack a socioeconomic center. D. They typically have decaying infrastructure. E. They have relatively high crime rates.