What processes happen in the zone of ablation?
A. Snow accumulates.
B. The rate of snow accumulation is balanced by the rate of snow sublimation.
C. Ice gradually is lost, due to a combination of melting, sublimation, and calving.
D. Glacial ice follows a flow trajectory that takes it down to greater depths
Answer: C. Ice gradually is lost, due to a combination of melting, sublimation, and calving.
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An explanation for Sub Saharan Africa's relatively poor soils is
A) most of the region's soils are old. B) soils that are old and the lack of alluvial lowlands. C) the extensive glaciation of the continent during the last ice age. D) lack of extensive glaciation and older soils. E) the lack of alluvial lowlands.
Roll a bowling ball off the edge of a table. As it falls, its horizontal component of motion
A) decreases. B) remains constant. C) increases.
Describe the physical composition of seawater
What will be an ideal response?
What is NOT true about a stream’s base level?
A. Temporary base levels can reach below sea level. B. It is the lower limit to a stream’s downcutting. C. It is an imaginary slope extending inland from sea level. D. Ultimate base level is sea level. E. It is the same level across all sections of the stream.