Which occurrence would contradict the big bang theory? OA. The percentage of carbon dioxide in Earth's atmosphere increases.
B.
Scientists discover that 99% of the universe's mass is hydrogen.
O c.
A radio telescope detects microwave radiation in space.
OD.
Distant galaxies move progressively farther away from Earth.

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day