The process described is known as the greenhouse effect. It involves the atmosphere trapping heat that has been reflected or re-emitted from the Earth’s surface in the form of infrared radiation. Greenhouse gases like carbon dioxide and methane are the ...
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Molten rock beneath the Earth’s surface is called magma. It consists of melted minerals, suspended crystals and dissolved gases held under intense pressure. Magma forms in the mantle or lower crust due to high temperatures. Once it breaches the crust ...