We have the technology to get energy from renewable sources yet we don't do this on a large scale. Why don't we get all of our energy from renewable resources like wind and solar?

your answer is "the 1950's"

it would be rhyolitic hope this

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you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.