Which feature on this diagram is an arête?
A. 1, the circular depression at the head of the valley
B. 2, a lake in the upper valley
C. 3, a steep ridge
D. 4, a valley that is above the level of the main valley
Answer: C
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________ are nearly horizontal, concordant bodies that form when magma exploits weaknesses between sedimentary beds or other structures
A) Batholiths B) Sills C) Necks D) Dikes
The upper portion of a glacier flows ________ the lower portion of the glacier
A) faster B) slower C) at the same speed.
From the environmental perspective, it will help to stabilize population growth in developing countries as soon as possible because
a. Poverty has numerous harmful health and environmental effects. b. Poverty has been identified as one of the four major causes of the environmental problems we face. c. Polluting activities and lifestyles are much more prevalent in developing countries. d. All of these answers e. Poverty has numerous harmful health and environmental effects and has been identified as one of the four major causes of the environmental problems we face.
An earthquake occurs in California. What is the minimum magnitude an earthquake can have if it is to be picked up by seismographic networks around the world?
A) M 5.5 B) M 7 C) M 8 D) M 9.5