1 is3
2 is D
3 is B
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Answer: you ask questions to determine relationships, including quantitative relationships, between independent and dependent variables. Ask questions to clarify and refine a model, an explanation, or an engineering problem. Evaluate a question to determine if it is testable and relevant.
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Ultraviolet radiation may increase when there is an increase in sunspots
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Physical indicators of healthy water quality are temperature<span> and turbidity.
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Explanation is in a file
bit.ly/3a8Nt8n