Which one of the following statements concerning the standard cosmological model is false?
The Grand Unified Theory describes the universe immediately before and shortly after the Big Bang. 2.At 10–43 s after the Big Bang, the gravitational force was distinguishable. 3.About 0.5 million years after the Big Bang, hydrogen and helium atoms formed 4.The first distinguishable particles after the Big Bang were quarks and leptons. 5. after the big bang all fundemental forces acted as one force