Explain why the Mesosaurus was a good example to support Wegener's ideas
What will be an ideal response?
Mesosaurus fossils were only found in a small area of South America and a small area of Africa. If the Mesosaur had crossed the Atlantic Ocean by almost any means, it should also have been able to travel farther on the two continents. But the distribution of the fossils does not indicate the Mesosaur was capable of traveling long distances. Wegner pointed out that, in his Continental Drift Hypothesis, the Mesosaur did not have to travel far because the continents would have been together when the Mesosaur was alive and the two areas would have been continuous.
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Which of the following climate types normally has the largest annual range in temperature?
A. humid subtropical climate B. subpolar climate C. polar ice cap climate D. tropical climate
The greenhouse effect is directly enhanced by ____
A) photosynthesis B) energy absorption by atmospheric water vapor particles C) chemical weathering D) carbon dioxide dissolution in the oceans
When did the relative power of the United States begin to decline with intense competition from Japan and Germany?
A) 1820s B) 1850s C) 1870s D) 1950s E) 1970s
Which is not a type of unconformity?
A. angular unconformity B. nonconformity C. disconformity D. triconformity