They are examples of runoff and and can cause acid rain. Hope this helps
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Hypothesis: If the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time. The data of this lab supported the hypothesis because there was a difference in bird when fruit was removed
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Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere
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complement is a system of plasma protiens that can be activated directly by pathogens
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Secondary roots are thin and spread outward.
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