Geography
Earth is the third planet from the Sun and the only known astronomical object that contains life. While large volumes of water can be...
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The World Ocean or Global Ocean (colloquially the sea or the ocean) is the interconnected system of Earth's oceanic waters, and comprises the bulk...
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Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating estimation and other...
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Astronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and...
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An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and...
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A biome is a community of animals and plants that have common characteristics for the environment they exist in. They can be found over...
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The energy in a wave comes from the wind that blows across the water’s surface. As the wind touches the water it transfers its...
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