C

Step 1: Protons are positively charged particles found in the nucleus of an atom. F0FCB3B8 When considering the nuclear force between two protons, the typical distance at which this force is significant is on the order of femtometers (10^-15 m).
Step 2: Let's analyze the given options:
- Option A: 10^-14 m (100 femtometers) - This is close to the range for nuclear forces.
- Option B: 10^-10 m (10 angstroms) - This is the scale of atomic distances but not relevant for nuclear forces.
- Option C: 10^-12 m (10 picometers) - This is within the effective range of the strong nuclear force.
- Option D: 10^-8 m (1 nanometer) - This is on a scale typical for molecular distances but too large for nuclear interactions.
Step 3: Given that the strong nuclear force acts effectively at distances approximately 1 to 10 femtometers, the most accurate option that fits the nuclear force interaction in between two protons is Option C (10^-12 m).
Therefore, C.