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Earth's atmosphere
Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace ... > more -
Phytoplankton
Phytoplankton refers to the autotrophic component of the plankton that drifts in the water column. Most phytoplankton are too small to be individually seen with the unaided eye. Phytoplankton, like ... > more -
San Andreas Fault
San Andreas Fault is a geological fault that spans a length of roughly 800 miles (1287 kilometres) through California, United States. The fault, a right-lateral strike-slip fault, marks a transform ... > more -
Ionosphere
The ionosphere is the part of the atmosphere that is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical ... > more -
Meteorology
Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting. Meteorological phenomena are observable weather events which illuminate and are explained by ... > more -
Carbon dioxide sink
A carbon dioxide (CO2) sink is a carbon reservoir that is increasing in size, and is the opposite of a carbon "source". The main natural sinks are the oceans and plants and other organisms that use ... > more -
Prairie Restoration
Prairie Restoration is an ecologically friendly way to restore some of the prairie land that was lost to industry, farming and commerce. Ecologically, prairie restoration aids in conservation of our ... > more -
Air pollution
Air pollution is a broad term applied to any chemical, physical (particulate matter), or biological agent that modifies the natural characteristics of the atmosphere. The atmosphere is a complex, ... > more
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