Which of the following best describes the difference between a scientific theory and theories from other bodies and knowledge

Which fact represents evidence for the big bang theory?

37.0 °c = °f (human body normal temperature)

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?