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Flooding rivers can cause numerous environmental issues. Let's see how we can protect ourselves...
The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.
Comets are spectacular celestial bodies orbiting the Sun.
Neptune is the outermost planet of the Solar System, the smallest of the giant planets
This animation presents the states and state capitals of Germany
The lesson introduces you to the movement of Earth around the Sun.
This animation presents the provinces and provincial capitals of the Netherlands.
This animation demonstrates the geographical locations of the Earth's major cities.