How does a scientist answer a scientific question? a. by guessing the right answer b. by asking others for their opinions c. by observing and measuring d. by finding the answer in a book

The correct option is;

c. by observing and measuring

Scientists are like detectives. They investigate or look for answers using organized steps;

     They carried out investigations under controlled conditions to ensure the   accuracy of their experiment.

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explanation:

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a:

by the combination of an unlimited number of elements