The wind-chill index outside is -10 F when the wind blows at 20 mph and the air temperature is 20 F. To what temperature will a dry object cool when placed outside? w) 20 F x) 10 F y) -10 F z) -20 F Answer : ANSWER: W -- 20 F...
When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold Answer : ANSWER: W -- IT IS VERY DRY...
According to the French scientist Buffon, the solar system formed when our sun w) was first formed x) collided with a comet y) began to cool down z) began to expand. Answer : ANSWER: X -- COLLIDED WITH A COMET ...
On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air Answer : ANSWER: X -- THE AIR TEMPERATURE ...
To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food Answer : ANSWER: X -- THE FACT THAT AIR PREVENTS HEAT FROM LEAVING THE EARTH ...
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