A small hill, knob, or mound of glaciofluvial sorted sand and gravel that is formed on or inside a glacier and is later left on the surface after the glacier retreats is a(n)

A) esker. B) kame. C) kettle. D) drumlin. E) col.


B

Environmental & Atmospheric Sciences

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Viral diseases are particularly difficult to combat because they

a. are not affected by antibiotics b. kill large numbers of people c. evolve rapidly d. all of these answers e. none of these answers

Environmental & Atmospheric Sciences

The rocks of the core are more dense than the rocks of the mantle

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The rain-shadow effect on the Isthmus is most pronounced

A) in the summer, on the Pacific side of the Isthmus. B) in the winter, on the Pacific side of the Isthmus. C) in the summer, on both sides of the coasts of the Isthmus. D) in the winter, on both sides of the coasts of the Isthmus.

Environmental & Atmospheric Sciences

In terms of total land and ocean area, which of the following climate classifications is the most extensive?

A) Microthermal climates B) Mesothermal climates C) Dry climates D) Tropical climates

Environmental & Atmospheric Sciences