An astronomer wants to visualize the relative distances between planets in our solar system. A biologist wants to examine the branching of blood vessels within the body. A chemist wants to see the angles between bonds in a molecule. A geologist wants to view the layers of the Earth from core to crust.
What is the best method that all of these different scientists could use to perform their investigations?
A. perform a field study
B. create a controlled laboratory experiment
C. build a model
D. all of these
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