When two valley glaciers join together, they form a __________ at the point at which they merge.
A) terminal moraine
B) till plain
C) recessional moraine
D) medial moraine
Answer: D) medial moraine
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Which statement most accurately describes how the continental rise is formed?
A) from the convergence of oceanic plates at active continental margins B) from volcanic activity at active continental margins C) from the accumulation of sediments at the base of the continental slope D) from sedimentation surrounding spreading centers
Which of the following pr°Cesses can generate the convective instability ass°Ciated with severe thunderstorms and tornadoes?
A. forcing a layer of moist air to descend a mountain range B. creating shadows on the land surface C. heating the upper portion of an unsaturated layer of air D. lifting a stable air layer whose surface is humid and whose top is dry
If a researcher wanted to identify and map healthy vegetation using remote sensing, she would most likely use. Data that detects what type of energy?
A) Microwave B) Near-infrared C) Sonar D) Thermal infrared
If an object radiates more energy than it absorbs, its
A) thermal energy decreases. B) temperature decreases. C) both A and B D) neither A nor B