Minerals

Rocks are a composed of minerals. These minerals can often be found in their pure forms.

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Factors of warming

The duration of solar radiation, the angle of the Sun's rays and the surface albedo all have an...

Types of lakes

Still waters take various forms on the planet. Let’s take a look at how we can group them.

The phosphorus cycle

The phosphorus cycle describes the movement of phosphorus through the lithosphere, hydrosphere,...

Underground waters

Groundwater and aquifers are types of underground waters.

Tectonic plates

Tectonic plates can move in relation to each other.

The terrestrial planets

Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...

Local winds

The most important types of local winds are the sea-land breeze, the mountain-valley breeze as...

Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

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