Greenhouses were originally referred to as botanical gardens. But since the term “greenhouse effect” has been introduced to describe the way a portion of the sun’s heat is absorbed by the earth’s atmosphere, which keeps our planet warm at night, there has also been a shift to the name of the currently known greenhouse. This is because the same process that warms up the earth also takes place in a greenhouse, where the glass structure will capture the sunlight and the area under the glass will heat up. That is why now greenhouse is the widely used term to describe these glass or polycarbonate structures.

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