Although technically not coal, the first material to form in the coal cycle is ________.
A. lignite
B. "soft coal"
C. peat
D. semi-anthracite
E. anthracite
Answer: C
Environmental & Atmospheric Sciences
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A) Global Carbon cycle B) Global Nitrogen cycle C) Global Phosphorus cycle D) Global Silicon cycle
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Although clay has ________ porosity it does not make a good aquifer because it has ________ permeability
A) low, high B) low, low C) high, low D) high, high
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____________________ are manmade compounds that have been widely used as refrigerants and in spray propellants.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
Biomes are characterized by certain types of
a. light and temperature b. climate and light c. light and climate d. climate and dominant plant life e. dominant plant life and temperature
Environmental & Atmospheric Sciences