Answer:
D
Explanation:
A and B don't make sense. It wouldn't be a question or an incomplete sentence.
C and D make sense BUT the answer has to be in the past tense since the rest of the story is talking about it in the past tense.
The valve has 3 pipe connection in a T formation. The centre leg of the T is the inlet and the short arms are outlets
It is data that has been collected for a particular reason but then that data is used for something else
Answer:
I would say the effects of high-fat and low-fat diets.
Explanation:
For [A] a report on how to reduce air pollution would be expository or persuasive.
For [B] a mystery story would be entertaining and engaging.
For [C] why Great Britain was the birthplace of the industrial revolution would be a persuasive exposition, factually based.
For [D] you would write and exposition comparison to describe the benefits and detriments of the two types of diets, thus a "compare-and-contrast" essay.
Cheers.