. Which of the following is an example of how a scientist might use a model?
Marbles placed inside a hollow sphere are used to describe protons in a nucleus.
Microscopes are used to magnify a group of cells on sets of slides.
A wrench is used to tighten a nut onto a piece of wood.
Stopwatches measure the amount of time it takes for runners to complete a mile
Marbles placed inside a hollow sphere are used to describe protons in a nucleus.
Microscopes are used to magnify a group of cells on sets of slides.
A wrench is used to tighten a nut onto a piece of wood.
Stopwatches measure the amount of time it takes for runners to complete a mile