I think it is the second one! I am pretty sure!
Writing is a process that involves several distinct steps: prewriting, drafting, revising, editing, and publishing. It is important for a writer to work through each of the steps in order to ensure that he has produced a polished, complete piece. The writing process is not always linear. A writer may move back and forth between steps as needed. For example, while you are revising, you might have to return to the prewriting step to develop and expand your ideas.
The Douglas Fir and Other Evergreen Trees Should Be right
Answer:
Opening with a quote or interesting fact
Explanation:
The first sentence is not very appealing as it is merely stating the obvious. Everyone is well aware that human exploration into space has made great progress in the last 20 years.
If there was a quote by a relevant individual in the field, it would perhaps make it more attention grabbing. And then right away there are too many factual evidences. The audience should be able to fully grasp the concept and for that it is important that the text is made as simple as possible.