1) Warm air rises, but cold air _____________. 2) In tropical areas it is never _____________. 3) In a rainforest it rains very often. The ground is always _____________. 4) In temperate areas the average temperature of the coldest month does not go _____________ –3°C. 5) In desert areas it can be very cold at _____________. 6) In polar areas, the average temperature of a month _____________ rises above 10°C.
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