What must happen for scientific theories to be accepted as valid?

Scientific evidence must be reported, verified, and accepted by the scientific community.

A hypothesis must be upgraded with supporting experimental evidence.

Biological manufacturers must conduct clinical trials.

The research team must apply for and receive federal funding based on several early tests.
It is either a or b?

Question

What must happen for scientific theories to be accepted as valid? 

 Scientific evidence must be reported, verified, and accepted by the scientific community. 

 A hypothesis must be upgraded with supporting experimental evidence. 

 Biological manufacturers must conduct clinical trials. 

 The research team must apply for and receive federal funding based on several early tests.
It is either a or b?

anonymous · Answer

I agree. It's one of those two choices.

anonymous · Answer

Do you know which one?

anonymous · Answer

Yeah. I'm pretty sure it's the 2nd one. 

A scientific theory is something that we form, after we've formed a hypothesis, and found enough evidence to support it, through experiments.

anonymous · Answer

Yes, thx! That's what I thought. :)