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In order to explain the many intricate processes on Earth, scientists often create models. Whether it's how water moves through the Earth, its bodies of water,

Every life begins, develops, and one day, ends. What animals look like during these various stages of life is quite diverse. Whether the life cycle includes egg

In order to explain the many intricate processes on Earth, scientists often create models. Whether it's how water moves through the Earth, its bodies of water,

Our world's natural cycles control many aspects of life as we know it. This fascinating series illustrates those cycles and explains why life on Earth revolves