Tornadoes

Short-lived but extremely powerful tornadoes can cause a great deal of damage.

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Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great...

The atmosphere

The atmosphere surrounds us everywhere on this planet. We take its presence so much for granted...

Oasis

Within the lethal embrace of deserts, life can only flourish because of large springs. Here...

Weather and climate

Climate is the typical weather of a certain region that changes practically only on a geological...

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and...

Continental drift

In the past, a number of geologists tried to explain why the outlines of continents seem to fit...

Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.

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