D the answer is d because it shows the NASA worker needs to make sure they have enough time and etc.
Answer:
B
Explanation:
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It's the first revision: <span>Bring it back by the scruff of the neck. Ere you have reached the station you will have brought it back about forty times. First, do not despair. Then, continue. Finally, keep it up.
Signal words used to describe a sequence of events (in a chronological order) are: first, second, third, then, next, before, after, first... last, initially, until, finally, lastly...</span>
Answer:
Expository
Explanation:
Expository is intended to explain or describe something.