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Magnetosphere
The magnetosphere is the outermost and largest layer of the...

Ionosphere
The ionosphere is a layer of the atmosphere between the...

Cenozoic era
The Cenozoic era was one of the most important periods as...

Mesozoic era
The Mesozoic era is known mostly as the era in which...

Paleozoic era
The Paleozoic era also known as Primary Era, is the...

Stalagmites
Stalagmites are a natural process that marvel at sight, are defined as...

Potable water
It is called potable water, the water that has been treated previously to...

Rain gauge
A rain gauge is an artifact used in meteorological stations to help...

Photic zone
The photic zone is the oceanic zone that lies between 0 and...

Abyssal zone
The abyssal zone is the part of the ocean that is...

Hadal zone
The hadal zone or hades zone is the deepest place in the...

Biosphere
The biosphere is the sphere of life. It is the part of the Earth...