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Click two or more of the word chunk buttons on the left to form words that match the clues listed below.
WordClue
6 letters wispy clouds made of ice crystals
11 letters a measure of the average amount of kinetic energy of particles
7 letters a cloud forming rounded masses heaped on each other above a flat base at fairly low altitude.
9 letters the outermost region of Earth's atmosphere; top half of thermosphere
6 letters the draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.
4 letters the movement of air caused by differences in air pressure
10 letters the layer of the atmosphere just above the stratosphere and below the thermosphere; located higher than planes can fly; destroys meteors before they hit the lithosphere
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