Chemistry, 26.02.2021 22:00 bg988763p7cl2d
Kevin knows that people use mineral resources in everyday materials and that over seven billion people now live on Earth. Describe two ways minerals are used by people. Then explain how the increasing human population affects mineral use, and why this could be a problem.
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Chemistry, 21.06.2019 12:30
A__ is two or more substances that are together in the same place but are not chemically combined
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Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Chemistry, 22.06.2019 05:00
Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Chemistry, 22.06.2019 06:30
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
Answers: 2
Kevin knows that people use mineral resources in everyday materials and that over seven billion peop...
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