The types of organisms can be animals such as otters, birds, oysters, fish, crabs.
Arenal Volcano is in the middle of the continent
Global warming is a slow increase in the overall temperature of the earth's atmosphere generally created by the greenhouse effect. This effect is caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
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Oceanography is the science that studies the physical and biological parts of the oceans. Oceanography combines biology, chemistry, geology, etc.
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