The four major groups of igneous and volcanic rocks based on chemical composition are

_________, _________, ________, and _________. Fill in the blank(s) with the appropriate word(s).


felsic, intermediate, mafic, ultramafic

Environmental & Atmospheric Sciences

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In terms of topography, the deepest soils are ________

A) on flat land B) on the sides of hills C) where erosion is fastest D) on steep hills with sandstone bedrock E) on random locations on the landscape

Environmental & Atmospheric Sciences

If expansive soils and subsidence are included, total losses from mass wasting in the U.S. are many

times greater than the annual combined losses from earthquakes, volcanoes, floods, hurricanes, and tornadoes. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Conservation tillage is an agricultural method that assures maximum water conservation.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Which of the following is NOT considered when classifying climates?

A) weather patterns over several years B) vegetation C) terrain D) unique weather events

Environmental & Atmospheric Sciences