Plz help will give crown

Based on the cause-and-effect relationship in this sentence, what is the meaning of the word revert? the brownies kali made using a new recipe were too dry, so she reverted to her original recipe. a) to alter or change completely; revise b) to dispose of or remove; to throw away c) to prepare for something; assemble or make d) to go back to a previous state or practice

Accepted is to fact as unproven is to

Which of the following is not a fire safety precaution a; start fires with kindling or other fire starters b: check local regulations and conditions before starting a fire c: clear flammable debris away from fire area d: extinguish all burning embers before leaving