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The rise and drop of sea levels caused by the gravitational force of the Moon.
The decisive factor that determines the climate zones of mountains is the altitude above sea level.
Carbon is bound in organic substances during photosynthesis, while during breathing, it...
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Natural gas and petroleum are among the most important sources of energy and raw materials today.
The phosphorus cycle describes the movement of phosphorus through the lithosphere,...
The circumference of the Earth has already been calculated in ancient Egypt. The calculations...