Examlex
"Silent miscarriages" occur so early in the pregnancy that the woman is unaware that she is pregnant.
Greenhouse Gases
Gases in Earth's atmosphere, such as carbon dioxide and methane, that trap heat, leading to a warming effect known as the greenhouse effect.
Fossil Fuels
Natural fuels such as coal, oil, and natural gas, formed from the decomposed remains of plants and animals over millions of years.
CFCs
Chlorofluorocarbons, chemical compounds once commonly used in refrigerants and aerosol sprays that contribute to ozone layer depletion.
Global Warming
The long-term rise in Earth's average surface temperature, primarily due to human activities releasing greenhouse gases, resulting in climate change and associated environmental impacts.
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