When combining two sentences, which of these instructions should NOT be followed?

Which of these statements about the cpp supports the sub-claim that it cleans the air? a. the cpp cuts particle pollution, nitrogen oxides, and sulfur dioxide by more than 25 percent. b. the cpp avoids up to 6,600 premature deaths. c. the cpp cuts electricity bills roughly 8 percent. d. the cpp provides americans with reliable and affordable power.

It's to know your purpose before you read something because a purpose can:

Analysis that compares and contrasts the way two myths show one important feature of their culture