Answer:
D. It introduces the conflict
Answer: before
Explanation: A subordinating conjunction is a word or phrase that links a dependent clause to an independent clause. Subordinating conjunctions are conjunctions that are used at the beginning of subordinate clauses. Some examples of these conjunctions are; although, after, before, because, how, if, once, since, so that, until, unless, when etc.
The tarp is flat on the ground
the tarp was flat on the ground
The answer is:
A diagram with each part of the bicycle labeled.
Due to the fact that the text deals with a technical procedure such as changing the chain of a bicycle, the writer should reinforce the information including a graphical representation of the different bicycle parts. As a consequence, readers would be provided with a pictorial aid to understand the text better.