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.
A trusted adult, like a family friend, neighbor, friend’s parent(s)
If a person that doesn't have food that is necessary for life, growth, and good health, it means that person is undernourished.
Answer:
The friends can influence you to practice safe sex, or give you advice on sex.
Explanation: