The Younger Dryas cold snap was caused from:
A) an increased melting of freshwater.
B) an increased freezing of freshwater.
C) an increase in carbon dioxide in the atmosphere.
D) a decrease in carbon dioxide in the atmosphere.
Answer: A
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The Alpine orogeny was caused by the collision of ____
a. the African plate with the Arabian Plate b. the African plate with the Australian plate c. Africa and Arabia with Eurasia d. India with Asia e. India with Africa
Sedimentary rock may be formed from the shells of organisms containing calcium carbonate
Indicate whether the statement is true or false
Which of the following macromolecules fuels almost all living cells?
A) proteins B) carbohydrates C) RNA D) DNA
Where is the Cascadia subduction zone located?
A. Along the west coast of Alaska B. In southern California C. In the Pacific northwest of the U.S. D. Along the west coast of Mexico