Animals with rigid skeletons appeared abruptly in the fossil record at the beginning of the Paleozoic
Indicate whether the statement is true or false
True
Environmental & Atmospheric Sciences
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Russia and its neighbors includes countries that
A. border Russia B. are dominantly Russian Orthodox in religion C. resulted from the breakup of the Soviet Union except for Latvia, Lithuania, and Estonia D. have ever had communist governments
Environmental & Atmospheric Sciences
Deltas form when streams or rivers encounter a standing body of water, such as an ocean or lake
a. True b. False
Environmental & Atmospheric Sciences
North America and Eurasia enjoyed at least four major glacial stages during the most recent Ice Age. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The dominant element in oceanic crust are
A) silica and aluminum. B) silica and magnesium. C) magnesium and aluminum. D) potassium and iron.
Environmental & Atmospheric Sciences