What natural barrier tries to prevent two protons from combining in the Sun?
A) Dark energy
B) Antigravity
C) Electromagnetic repulsion
D) The weak nuclear force
E) None of these
Answer: C
What natural barrier tries to prevent two protons from combining in the Sun?
A) Dark energy
B) Antigravity
C) Electromagnetic repulsion
D) The weak nuclear force
E) None of these