Question

how does the author support the idea that space exploration is very important to human survival? by sharing anecdotes for emotional impact by using loaded language for dramatic effect by quoting key facts and figures for authority by repeating key words and phrases for emphasis

Explanation:

Factual data and figures lend credibility and authority to an argument. Quoting key facts and figures about space - exploration's benefits for human survival would support the idea effectively. Anecdotes appeal more to emotions, loaded language is for drama, and keyword - repetition is for emphasis but not as authoritative as facts and figures.

Answer:

By quoting key facts and figures for authority