Grand unified theories,or GUTs,predict that at temperatures above 10²⁷ K,the:
A) strong and weak forces are indistinguishable from each other, but the other forces are different.
B) strong, weak, electromagnetic, and gravitational forces are indistinguishable from each other.
C) weak and electromagnetic forces are indistinguishable from each other, but the other forces are different.
D) strong, weak, and electromagnetic forces are indistinguishable from each other, but gravity is different.
Correct Answer:
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