1 | What waves do heat come from? |
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2 | What is not an example of a natural resource? |
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3 | How do droughts effect life on earth? |
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4 | What is not one of the groups of living organisms? |
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5 | Can a desert only be a dry and sandy habitat? |
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6 | What of these types of animals consist of cannibals? |
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7 | What is an example of erosion? |
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