A obviously lol it’s the only one that doesn’t describe active listening
Anti Virus???????????????
If you monitor your practice run you can see how much your improved time wise.
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.
