Why does a jacket keep you warm on a windy day?
A) Wind is the flow of cold air so the jacket prevents cold air from reaching the body.
B) The jacket prevents water vapor from getting near your body and absorbing body heat.
C) The jacket acts like a florist's greenhouse, trapping long-wavelength radiation near your body.
D) The jacket prevents the wind from blowing away the layer of air that has been warmed by your body.
D
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Clearly distinguish between mass, weight, and volume
What will be an ideal response?
When a message molecule binds to a receptor,
A) the message molecule enters the target cell. B) the cell begins to grow and divide. C) the target cell passes the message molecule to another target cell. D) a series of chemical reactions is initiated.
Though it is difficult to generalize for the ocean as a whole, the bottom of the euphotic zone is about ____ deep in mid-latitudes
A) 10 meters (33 feet) B) 70 meters (230 feet) C) 160 meters (525 feet) D) 500 meters (1,640 feet)
A warm, moist air mass from the Gulf of Mexico that moves over the land in the southeastern U.S. during the summer is likely to be classified as:
A) mEk. B) mWk. C) mTk. D) mTw.