Most greenhouses look like a small glass house. Greenhouses are used to grow plants, especially in the winter. They work by trapping heat from the sun.
Energy from the sun heats the earth surface, in turn; the earth radiates the energy back into space. There are many greenhouse gases like: water vapor, carbon dioxide and other gases. Those gases trap some of the outgoing energy and heat the earth. Greenhouse gases are gaseous components of that atmosphere that contribute to the global warming. Without these greenhouse gases, the temperature will be lower than usual (-18ْْ C) and the life will be not possible.
Energy from the sun heats the earth surface, in turn; the earth radiates the energy back into space. There are many greenhouse gases like: water vapor, carbon dioxide and other gases. Those gases trap some of the outgoing energy and heat the earth. Greenhouse gases are gaseous components of that atmosphere that contribute to the global warming. Without these greenhouse gases, the temperature will be lower than usual (-18ْْ C) and the life will be not possible.
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