Which occurrence would contradict the big bang theory?

 Plato users who have a different set of options:

Which occurrence would contradict the big bang theory?

A.

The percentage of carbon dioxide in Earth’s atmosphere increases.

B.

Scientists discover that 99% of the universe’s mass is hydrogen.

C.

A radio telescope detects microwave radiation in space.

D.

Distant galaxies move progressively farther away from Earth.

The correct answer is B.  Scientists discover that 99% of the universe’s mass is hydrogen.

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