Like a greenhouse gas, clouds can trap heat emitted from the earth's surface.
a. true
b. false

True.

Explanation: The green house gases have the ability to trap heat and make the environment temperature suitable for living.

Like green house gases, clouds also trap heat and this is the reason why the temperature of the earth is more on a cloudy day as compared on a clear day.

Hence, this proves that the clouds can also trap heat as like that of green house gases.

the millers tale is the answer.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: