A glacial landform with steep-walled, pyramidal peaks formed by headward erosion of glaciers on at

least three sides is a(n):
a. horn.
b. esker.
c. kame.
d. terminal moraine.
e. cirque.


A

Environmental & Atmospheric Sciences

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Light that is absorbed in glass reemits it at a frequency that is

A. the same. B. less. C. somewhat greater. D. none of the above

Environmental & Atmospheric Sciences

What happens to the land surface when large ice sheets melt away?

A) It subsides because there is less ice on top. B) The land surface remains unchanged but seems lower because of the loss of ice. C) The land flexes upward due to isostatic rebound. D) The land rises because the rocks are warmer without the ice.

Environmental & Atmospheric Sciences

The period of time it takes Earth to make one revolution about the sun is exactly 365 days

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The ________ Era began with the appearance of complex life, as indicated by fossils like trilobites.

A. Precambrian B. Cenozoic C. Paleozoic D. Quaternary E. Mesozoic

Environmental & Atmospheric Sciences