(PRESENTATION)
How to get rid of social media

Put your device in lava. Then throw it onto mars.

Explanation:

That's just how it goes.

the answer is the last one

type of error:

the error in the sentence is a "dangling modifier". a dangling modifier is a phrase, word or clause that "dangles" because there is not target to modify. in this case, "after mopping the floor" is the dangling modifier since it has no word to modify. the noun "house" cannot mop the floor; therefore there is a mistake in the writing of the sentence.