Which of the following statements about tar sands is true?
A) Most of Canada's petroleum reserves are in the form of tar sands.
B) Most of the petroleum reserves in North Dakota are in the form of tar sands.
C) Hydrofracking is used to extract oil from tar sands.
D) Deposits of tar sands are generally found in sandy deserts such as the Arabian Desert in the Middle East.
A
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The word "weather" is defined as:
a. the average of the weather elements. b. the climate of a region. c. the condition of the atmosphere at a particular time and place. d. any type of falling precipitation.
The large red L's on a surface map represent centers of low pressure, also known as ____ storms
A) high-latitude anti-cyclonic B) mid-latitude cyclonic C) high-latitude cyclonic D) mid-latitude anti-cyclonic
A resource is a naturally occurring substance of use to humans that can be extracted using current technology.
Answer the following statement true (T) or false (F)
The discharge of a stream (Q) is calculated by multiplying a stream's ________.
A. cross-sectional area (A) by the force of gravity (g) B. sinuosity (S) by its cross-sectional area (A) C. bed load (B) by its velocity (V) D. cross-sectional area (A) by its velocity (V) E. slope (S) by the force of gravity (g)