Coal is formed from

A. heavy oils like asphalt.
B. the remains of marine microorganisms.
C. graphite under high pressure.
D. the remains of land plants.


Answer: D

Environmental & Atmospheric Sciences

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A soil that consists of nearly equal amounts of sand and silt with a lesser amount of clay is called a(n) ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

What is the difference between crude oil and refined oil? What effect do these differences have when spilled into the environment?

Environmental & Atmospheric Sciences

Unsorted and unstratified glacial deposits (not landforms) are called

A) till. B) outwash. C) moraine. D) alluvium.

Environmental & Atmospheric Sciences

The present ________ represent rejuvenation following uplift in Late Tertiary time.

A. Appalachian Mountains B. Sierra Nevada Mountains C. Alps D. Ural Mountains E. Himalayan Mountains

Environmental & Atmospheric Sciences