1

Set 2: Command of Evidence (Advanced)

Explanation

Answer: A

PASSAGE

Dark energy accelerates cosmic expansion. Unlike dark matter (which has gravitational attraction), dark energy exerts negative pressure. It comprises about 68% of the universe's energy.

How does dark energy differ from dark matter?

A. Both attract matter.✓ Correct
B. Dark energy pushes apart; dark matter pulls together.
C. They are the same thing.
D. Dark energy is visible.

Detailed Explanation

Dark matter has 'gravitational attraction'; dark energy has 'negative pressure' (repulsion).

Why others are wrong:

Next →