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The earth is one of the most fascinating planets and this is some part due to the fact that it is the only one known to support human life and plant growth. The earth has undergone a lot of changes throughout time and is believed to have been formed as...see morea result of collision. Take up the review quiz below on chapter one on the changing earth. All the best! see less
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Quiz Review Timeline (Updated): Mar 21, 2023 +
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