The answer is D-Strong Feelings.
Benefits
Increased muscle mass: Muscle mass naturally decreases with age, but strength training can help reverse the trend.
Stronger bones: Strength training increases bone density and reduces the risk of fractures.
Joint flexibility: Strength training helps joints stay flexible and can reduce the symptoms of arthritis.
I want to say From the age 1 1/2 to the age 3 1/2 but I’m not sure
B. can help you develop mental toughness
