Examlex
Mendeleev arranged his periodic table in order of increasing atomic number.
Air Pollutant
Substances in the air that can have harmful effects on the health of living creatures or the environment, including gases, particulates, and biological molecules.
Global Warming
The ongoing rise in Earth’s surface temperature, primarily due to the emission of greenhouse gases from human activities, leading to climate change and associated impacts.
Stratosphere
The layer of the Earth's atmosphere located above the troposphere, characterized by a slight temperature increase with altitude and the presence of the ozone layer.
Human Health
Pertains to the holistic state of physical, mental, and social well-being of individuals, not merely the absence of disease or infirmity.
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