A(n) ____________________ is an instrument that indicates both wind speed and direction. It consists of a bladed propeller that rotates at a rate proportional to the wind speed. Its streamlined shape and a vertical fin keep the blades facing into the wind. When attached to a recorder, a continuous record of both wind speed and direction is obtained
Fill in the blank with correct word.
ANSWER: aerovane?
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The principle of ____________________ states that rock layers extend out in all directions until they pinch out or
terminate against the edge of a basin. Fill in the blank(s) with the appropriate word(s).
Explain plate tectonics theory. What will be an ideal response?
What is the rate of shore erosion dependent upon?
a. Biological activity b. Global tectonic activity c. Local range of tides d. Sediment accumulation e. Climate
Extracting oil from shale deposits
A) has been initiated on a large scale in the United States and will soon surpass Canada's production. B) involves removing and refining waxy hydrocarbons called kerogen. C) in the United States will take place mostly in northeast states as well as in Georgia and Florida. D) in the United States has been studied by the EPA and found not to endanger groundwater supplies.