Answer:
Rigor Mortis
Explanation:
After death (the third stage) Rigor Mortis occurs which is the stiffening of the muscles. It is caused by the chemical changes in the muscles after death.
A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range, causing the greenhouse effect. The primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone
I would say swimming but imo karate requires more kicking with complex and diverse skills
