The law of ________ explains that sediments (such as sand, gravel, and mud) are originally deposited or settled out of water in horizontal layers.

A. original horizontality
B. superposition
C. cosines
D. original continuity
E. gradation


Answer: A

Environmental & Atmospheric Sciences

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________ is a volcanic gas associated with acid rain and vog

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Warm currents flowing ________ on the ________ sides of continents produce warm, humid conditions

A) poleward; eastern B) poleward; western C) toward the equator; eastern D) toward the equator; western

Environmental & Atmospheric Sciences

Freshwater is naturally purified, recycled, and distributed in the ____________________.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

________ are high latitude soils containing permafrost and large amounts of organic matter

A) Ultisols B) Inceptisols C) Gelisols D) Alfisols

Environmental & Atmospheric Sciences