What type of eruption is shown in this photograph?
A. lava flow
B. pyroclastic flow
C. lava fountain
D. lava dome
Answer: B
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Lake Victoria in Africa is one of the largest inland waters of the world, surpassed only by the Caspian Sea and Lake Superior
Indicate whether the statement is true or false
Acidic soils
A) are exceptionally rare. B) cause more rapid weathering and leaching of nutrients. C) tend to be very fertile and excellent for agriculture purposes. D) are high in calcium, magnesium, potassium, and sodium ions.
What type of reaction occurs when fumarate is converted to malate in step 7 of the citric acid cycle?
A) dehydration B) hydration C) oxidation D) reduction
Which Native Americans are best known for their pueblo dwellings, consisting of mud-brick residences built into cliffsides or on flat-top mountains in the southwest?
a. Apache b. Sioux c. Anasazi d. Iroquois e. Cherokee