How does fossil evidence support continental drift?c What will be an ideal response?
The distribution of fossils is such that it would be impossible for the plants and animals not to have
lived in contiguous land areas. Glossopteris seeds are too heavy to be dispersed by wind and would not
have remained viable if they had traveled far across the oceans. The plants associated with
Glossopteris do not match the climate zones the fossils are found in. As for the animals, it's hard to
imagine a freshwater reptile like Mesosaurus swimming across the Atlantic. And the land-dwelling
reptiles, Lystrosaurus and Cynognatuus, could not have swum at all!
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Surface pressure is unaffected by the relationship between upper-level divergence and surface convergence
a. True b. False
How is the stability of air determined?
What percentage of the Earth's population lives in urban areas?
A) 5 B) 10 C) 15 D) 25 E) 50
As the U.S. Manufacturing Belt came into being, which of the following cities arose?
A) New York B) Boston C) Philadelphia D) St. Louis E) Baltimore