Which of the following is not considered a mass wasting event?
A. An avalanche that consists of ice, snow, trees and rocks.
B. A lahar or volcanic ash mixed with melt water from a volcanic eruption.
C. Material that is saturated with water that breaks loose and flows down the hill slope.
D. A rock that falls off a cliff onto a roadway.
E. All of these choices are correct.
Answer: E
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Mahogany is a tree found in the tropical rain forests of Central and South America. Mahogany lumber is prized for its beauty, durability, and color
Overharvesting of mahogany has led to the tree being classified as threatened, and there are international laws banning its harvest and trade. Although an anthropocentrist, biocentrist, and ecocentrist might all agree that it is important to protect mahogany trees, they would disagree on the reasons for doing so. Explain how they would differ in their reasoning.
When 10 J of work are done to push a charge into an electric field, the charge has gained
A. more than 10 J. B. less than 10 J. C. 10 J. D. none of the above
Earth’s systems are connected, and a change in one system can influence the entire system. What do we call interactions that amplify the effects of change?
A. Positive feedback loops. B. Negative feedback loops. C. Enmeshment. D. Displacement.
One gravity-driven mechanism for plate movement is _______________________, which is caused by the higher
elevation of ocean ridges in comparison to surrounding crust. What will be an ideal response?