5. If present trends continue in growth of atmospheric greenhouse gases, the range by which the earth’s surface temperatures will rise by 2100 is closest to which of these?
A. 20C–40C B. 40C–60C C. 60C–80C D. 80C–100C E. 100C–120C

explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​

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