Chemistry, 18.09.2019 02:30 Leeyah6606
Which is a nonrenewable resource that is used to generate electrical energy? check all that apply
water
coal
sunlight
natural gas
petroleum
wind
ores
Answers: 2
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The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?
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Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Which is a nonrenewable resource that is used to generate electrical energy? check all that apply
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