Theories must be supported by many lines of evidence.

True

or

False​

In everyday use, the word "theory" often means an untested hunch, or a guess without supporting evidence. But for scientists, a theory has nearly the opposite meaning. A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.

Explanation:

true

let that person have a turn to speak : )

it's all four options.