Examlex
Describe the important events and facts pertaining to each of the three periods of prenatal development.
Sulfur Oxides
Compounds formed from the combination of sulfur and oxygen, often produced by burning fossil fuels, and are significant contributors to pollution and acid rain.
Nitrous Oxides
A group of gases that include nitrogen dioxide and nitric oxide, which are significant atmospheric pollutants contributing to the greenhouse effect and depletion of the ozone layer.
Global Warming
The long-term rise in Earth's average surface temperature due to greenhouse gas emissions and human activities.
Ozone Depletion
The reduction of the ozone layer in the Earth's atmosphere due to the release of chemical compounds containing gaseous bromine or chlorine from industry and other human activities.
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