Scientific questions can be asked based on which of the following? A. previous research B. scientific investigation C. observations D. all of these

asked Mar 10, 2020 209k views

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1 vote

d is gonna be your answer :)

Vishal Gupta answered Mar 13, 2020

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3 votes

D. all of the above

hope it helps

Nativ answered Mar 14, 2020

by Nativ

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