For two nucleons 2 fm apart, the strong force is A. Strongest for two interacting protons.
B. Strongest for two interacting neutrons.
C. Strongest for a proton interacting with a neutron.
D. Equally strong for any combination of protons and
neutrons.

a

explanation:

because they are cartillidge

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.

because if the tool that you are using is not balanced it there would be false mass.