Biology, 16.10.2020 23:01 allyssaharrisooy50au
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Mrs. Johnston heated 5 grams of sugar. The sugar first looked shiny, and then it melted and became dark brown. Finally, all that was left was a black, shiny residue. She then heated 5 grams of sand in the same way. The sand’s appearance did not change.
What explains these results?
Answers: 2
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Answers: 2
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Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.
Answers: 1
2.
Mrs. Johnston heated 5 grams of sugar. The sugar first looked shiny, and then it melted and beca...
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