Answer:
A. Calf stretch
Explanation: ballistic stretches involve trying to force a part of the body beyond its range of motion.
Excluding themselves from an activity they normally love
Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction). Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction.
