Why are longshore currents important in environmental geology?
A. transport nutrients that are important to fisheries
B. transport heat energy from the tropics to the polar regions
C. pose a hazard to boats and swimmers
D. cause the beach itself to migrate over time
E. are important in the formation of offshore oil and gas deposits
Answer: D
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Which of the following provide a mechanism for the transport of ions and polar molecules through a membrane?
A) active transport B) specific channels C) both a and b D) neither a nor b
Geography is often called the ____ science because it includes the recognition, analysis, and explanation of variations in phenomena as they are distributed on Earth's surface
a. supernatural b. celestial c. spatial d. flexible
The larger the denominator in a representative fraction, the ________ the scale of the map
A) smaller B) larger
Which of the following provides the minimum amount of protection you need to block the following form of radiation?alpha
A. lead suit B. suntan lotion C. thick leather D. T-shirt E. none of the above