Question

question 22
a galaxy with an unusually high star formation rate is probably
○ going to use up its gas & dust quickly
○ a starburst galaxy
○ the result of a galaxy collision
○ any or all of these choices are likely

Explanation:

A galaxy with a high star - formation rate is often called a starburst galaxy. Star - formation consumes gas and dust, so it will use them up quickly. Galaxy collisions can trigger high star - formation rates by compressing gas and dust.

Answer:

D. any or all of these choices are likely