Arroyo gullies _____
a. are rectangular
b. are triangular
c. are V-shaped
d. are U-shaped
The answer was A. are rectangular
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What is the importance of fire in ecosystem management? What is the cost of fire suppression for ecosystem health? What is the alternative to fire suppression?
What will be an ideal response?
Compared to the Earth's crust as a whole, the depth of sedimentary rocks beneath the ocean bottoms are ________
A) very thin B) not commonly found C) laid down vertically instead of horizontally D) much sandier E) found almost as deep as in the Moho
After an impact occurs on the Moon, the walls of the crater often are too steep and
A. channels are created. B. slope failure occurs. C. rivers are formed.
Zooplankton are the most numerous primary consumers in the ocean
Indicate whether the statement is true or false