Answer: c is the answer
Explanation: They have certain requirements in order to form. They can’t just form out of nothing.
Make the united kingdoms flag that should work
Saturn is predominately composed of hydrogen and helium, yet doesn't undergo fusion like the Sun due to the lacking mass.
25,000 = 2.5 x 10^4
250 = 2.5 x 10^2
0.025 = 2.5 x 10^-2
0.00025 = 2.5 x 10^-4 :D