Which group of words in the sentence is a prepositional phrase? the monkeys and chimpanzees jumped and ran quite enthusiastically across the enclosure. a. jumped and ran b. monkeys and chimpanzees c. quite enthusiastically d. across the enclosure

the correct answer is option d. none of these. it is noted that options a, b, and c share the same content.

despite the valid answer provided at the last sentence of each of the options, a question/answer format shouldn't include humourous themed responses such as "you bet your thermal pj's we do." - unless of course, the answer is carried out in an informal environment. this could be replaced with a simple "yes" or "it is necessary".

the question should be re-phrased to a more appropiate syntaxis. instead of "do we need the greenhouse effect? ", it should be written as "is the greenhouse effect necessary? " in order to give it a general scope, instead of limiting the answer to the needs of "we" the humans.

the correct definition of purity is like something being pure.

ex. the girl was so pure(ity) she was so sweet and gentle, that she couldn't even hurt a fly.

ex. the man had so mch purity he didn't even know how to curse.