Carbon atoms move among Earth's physical systems through the
A) carbon cycle.
B) Keeling curve.
C) carbon caps and trades system.
D) green economy.
Ans: A) carbon cycle.
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A foliation found in metamorphic rocks with more than 50% plate and elongated minerals is known as
____________________, and the rock this foliation is found in is called ____________________. Fill in the blank(s) with the appropriate word(s).
During a heat wave, cities are usually at least one degree Celsius warmer than the surrounding countryside
Indicate whether the statement is true or false
What prevents rocks in the mantle from melting?
A. Temperature B. High iron content C. High sulfur content D. Pressure
Pattern forecasting
A) is not a valid technique and should seldom be used. B) is used only by forecasters who do not understand the atmosphere. C) is the same as the analog approach and is a useful and valid technique. D) is used only when one has no other information to go by.