Question

Add a comma or semicolon if needed. Otherwise, submit the text without any additional
punctuation.
Keenan focuses his workouts on building strength and lean muscle mass _ to do so, he
performs a variety of exercises using the barbells and weight machines at the gym.

Answer 1

Answer:

;

Explanation:

These are two separate sentences so separate with a semicolon.

Keenan focuses his workouts on building strength and lean muscle mass; to do so, he  performs a variety of exercises using the barbells and weight machines at the gym.