Immediately after the Big Bang, how many types of interaction are there believed to have been?
A) 0
B) 1
C) 2
D) 3
E) 4

Name: Immediately after the Big Bang, how many types of interaction are there believed to have been? A) 0 B) 1 C) 2 D) 3 E) 4
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Initially, it is believed there was a single, unified force that encompassed what we now consider the four fundamental interactions: gravitational, electromagnetic, strong nuclear, and weak nuclear forces.

Immediately After the Big Bang, How Many Types of Interaction