An event which may have caused the oceans to become shallower was
A) the rifting apart of Pangea in the Mesozoic.
B) the repeated volcanic eruptions of the Cenozoic.
C) the earthquakes of the Paleozoic.
D) the glaciation of the Mesozoic.
Answer: A
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Which kind of weather map is indicated?
A. surface weather map B. upper-level weather map
Answer the following statement(s) true (T) or false (F)
1. The Atlas and Elburz mountains are part of the same geological system as the Himalayas. 2. The completion of the Aswan High Dam on the Nile River solved Egypt's water problems. 3. Many of Northern Africa's modern cities surround enclaves of old trading and agricultural centers 4. Fewer men than women in Northern Africa are illiterate. 5. Countries of Arab Southwest Asia trade extensively with each other
During the past 70 million years, India has moved south from its original position
a. True b. False
How is coal produced?
A) with natural gas B) the same way oil is produced C) Obsidian and water are mixed together and buried for hundreds of years. D) Plant organic matter is compressed into rock under elevated heat and pressure during burial.