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| What is a Greenhouse Gas? |
Greenhouse gases are gases in the atmosphere that causes the greenhouse effect. The actual gases naturally occurring in the environment, but can also arise as a result of human activity.
Greenhouse gases are the most numerous is the water vapor that reaches the atmosphere due to the evaporation of water from the sea, lakes and rivers. Carbon dioxide gas is the second largest. It arises from a variety of natural processes such as: volcanic eruptions; the breathing of animals and humans (who breathe in oxygen and exhale carbon dioxide); and combustion of organic material (such as plants).
Carbon dioxide can be reduced due to absorption by oceans and absorbed the plant to be used in the process of photosynthesis. Photosynthesis splits the carbon dioxide and release oxygen into the atmosphere as well as taking carbons atoms.
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