Which of the following exercises helps develop and maintain muscular strength O A. Eating a healthy diet.
o
B. Running different distances every day
C. Stretching each muscle group 3 times a week.
O D. Weight training 3 times a week.

When it comes to muscle-strengthening exercise, focus on things like  resistance bands, resistance machines, and bodyweight exercises such as push-ups, squats and lunges. Another thing to keep in mind: Your weekly workouts should engage all of the major muscles in your body.

answer is d

Explanation:

lifting weights.

working with resistance bands.

heavy gardening, such as digging and shovelling.

climbing stairs.

hill walking.

cycling.

dance.

push-ups, sit-ups and squats.