Chemistry, 29.01.2020 07:50 Brittany0512
In one or two sentences explain why fossil fuel combustion is a one-way path while the combustion of modern plant materials is a cycle.
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 12:10
Building glycogen from glucose molecules is an example of
Answers: 3
In one or two sentences explain why fossil fuel combustion is a one-way path while the combustion of...
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