Loess

It is a sedimentary rock made up of loosely structured, rough grains of rock.

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Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Faulting (intermediate)

Vertical forces can break up layers of rock into fault blocks, which then move vertically...

Earthquake

An earthquake is one of the most devastating natural phenomena.

Snow line

Above a certain altitude snow does not melt, not even in summer.

Abrasion coasts

The destructive force of waves can create steep cliffs in certain coastal areas. Let’s see how...

Cloud formation

When the temperature of the cooling air reaches dew point condensation occurs because air is...

The work of glaciers

A glacier is a large body of ice in constant, slow motion down a hillside.

How lakes disappear

On a geological time scale lakes are short-lived.

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