Which of these activities performed by a chemist is primarily based on an understanding of physics? A.
using an indicator to determine if a solution is an acid, base, or neutral
B.
testing the molar concentration of a solution
C.
checking whether a given element is a metal or nonmetal
D.
predicting the volume of a gas, given its temperature and pressure

Hello! your answer is C. I did this. got 100%. Have a nice day!

Explanation:

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible