Question

add a comma or semicolon if needed. otherwise, submit the text without any additional punctuation.

kirk 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.

submit

Explanation:

The two independent clauses ("Kirk focuses his workouts... lean muscle mass" and "to do so, he performs... at the gym") are related in meaning and can be separated by a semicolon to show a stronger connection than a comma. A semicolon is appropriate here to link the two clauses that explain Kirk's workout focus and his methods.

Answer:

Kirk 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.