Chapter Checkup 8 C (Please answer each True or False)
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A tornado warning is issued when weather conditions could produce a tornado.
false
At a warm front, cold air ploughs under warm air, forcing the warm air to rise rapidly upward.
false
Sheet lightning is heat lightning far off in the distance.
false
Tropical rain starts out as tiny ice crystals in the top of clouds.
false
At temperatures near freezing, falling ice crystals clump together into large snowflakes.
true
Saturated air has a relative humidity of 100%.
true
The atmosphere's greenhouse effect prevents the earth's heat from escaping easily into space.
true
