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Nirates and phosphates are important chemicals to living things. Explain why these chemicals can also be pollutants.
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Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail
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Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
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What are transitions between a liquid and a solid called? identify which way they are transitioning
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Nirates and phosphates are important chemicals to living things. Explain why these chemicals can als...
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