Question

Question:4) What led to the proof that
the big bang actually occurred?
A)
Microwave Spectrum
B)
Dense Ball
C)
Inflation
D)
Evolution​

Answer 1

Answer:

OPTION (A) MICROWAVE SPECTRUM...

Step-by-step explanation:

Evidence for the Big Bang

• Redshift of Galaxies. The redshift of distant galaxies means that the Universe is probably expanding. ...

• Microwave Background. Very early in its history, the whole Universe was very hot. ...

• Mixture of Elements. As the Universe expanded and cooled down, some of the elements that we see today were created. ...