katrinajernae8216
14.07.2019 •
Chemistry
Hiker a has a body mass of 60 kg and carries a 10-kg pack. hiker b has a body mass of 70 kg and carries a 20-kg pack. at the top of the mountain they’re climbing, which hiker has the most gravitational potential energy?
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Ответ:
Hiker B has the most gravitational potential
Ответ:
Cutting down tress is necessary to produce wood for construction, paper and other appliances, but logging and other activities that kill tress can potentially lead to negative impacts on ecosystems and the environment as a whole .
Explanation:
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