Answer:
1. Swimming the sport or activity of propelling oneself through water using the limbs.
Swimmin, in recreation and sports, the propulsion of the body through water by combined arm and leg motions and the natural flotation of the body.
Swimming as an exercise is popular as an all-around body developer and is particularly useful in therapy and as exercise for pysically handicapped persons.
2. Freestyle, Backstroke, Breaststroke, Butterfly, Sidestroke
3. Swimsuit, Goggles, bathing caps, kickboards, pull buoys, fins, hand paddles, gloves
4. Easy on your joints. Low risk of overheating. High energy demand. Incovenience and Inaccessibility.
