In context, which is the best version of the underlined portion of sentence 4 (reprinted below)? experiments scientists learn how things happen in our world and why things happen in our world. question 22 options: learn not how, but why things happen in our world. learn about how and about why things happen in our world. learn how things happen and why things happen in our world. learn how and why things happen in our world. learn the hows and the whys of the things that happen in our world.

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.

the answer is b:   the american composer and singer bob dylan composed many songs, by which he is very famous and considered one of the mosts influencial artists of pop music. he was awarded the nobel prize in literature for his type of poetry. but the huge impact his songs had are due to both lyrics and music, without which the message would lose strength.

the very first one i did this and passed the test with 5 wrong