Question

which is a strength-training activity?
○ sit-ups
○ tennis
○ hopscotch
○ jump roping

Explanation:

Strength - training activities are those that build muscle strength. Sit - ups target the abdominal muscles and involve resistance (from one's own body weight) to build strength. Tennis is a sport that involves more cardiovascular fitness and skill - based movement. Hopscotch is a playground game that is more about coordination and light physical activity. Jump roping is a cardiovascular exercise that improves endurance and coordination. So among the given options, sit - ups is a strength - training activity.

Answer:

A. sit - ups