Does the United States use more renewable or non-renewable energy every year?

Renewable energy is the fastest-growing energy source in the United States, increasing 100 percent from 2000 to 2018. Renewables made up more than 17 percent of net U.S. electricity generation in 2018, with the bulk coming from hydropower (7.0 percent) and wind power (6.6 percent).

Explanation:

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all eukaryotic cell have mitochondria : )

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.