Help me with my homework of which is this

to refer to another writer's ideas in the course of making your own original statement. when you use a summary in the course of your own writing, you must use your be used in book reviews (see chapter 8), in essays of analysis (see, nection between sentences, and you can create new paragraphs to reflect

what are the options?

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.