Which of the following is an example of how a scientist might use a model? a. a wrench is used to tighten a nut onto a piece of wood b. marbles placed onto a hollow sphere are used to describe protons in a nucleus c. stopwatches measure the amount of time it takes for runners to complete a mile d. microscopes are used to magnify a group of cells on sets of slides
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Ответ:
I do believe the answer is:D.
Ответ:
1 - Wash your face every morning.
2 - Whenever you touch something, DO NOT touch you face.
3 - Wash your hands frequently.
4 - Wash your face when your in the shower.