The presence of multiple medial moraines indicates ________
A) several glaciers have joined
B) ablation is greater than accumulation
C) accumulation is greater than ablation
D) glacial erosion is particularly weak
E) the presence of a glacial surge
Answer: A
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True or False: Low viscosity does not favor convection
Indicate whether this statement is true or false.
During the Pleistocene ice age:
a. all of Earth's fresh water was frozen. b. glaciers occupied the Amazon River basin. c. sea level was lower than it is today. d. the Antarctic ice sheet was smaller than it is today. e. Greenland was a driftless area.
Hail forms
A) when water vapor sublimates (deposits) inside a cirrus cloud. B) every time water condenses onto dust particles. C) during thunderstorms in high pressure cells. D) from repeated circulation of raindrops above and below the freezing level in a cloud. E) when water falls from a cloud and freezes during its fall to the ground.
The study of ancient magnetic fields is called ________.
A. old magnetism B. paleomagnetism C. Curie point D. magnetic polarities E. paleontology