Answer: caffeine
Explanation:
Caffeine acts as the stimulant for someone to stay alert for a longer period of time however the high consumption of caffeine has its own side effects or disadvantages in one's body.
It may disrupt your usual sleeping pattern or cause you to stay awake longer that intended which may in return lead to some anxiousness.
It has an effect on the functioning of muscles which may lead to twitching .It affect digestive system which may cause other people to get diarrhea or even feel nauseous.
Cause probably they trust and when u get hurt and go to the hospital they would maybe lower the price
Tone of voice is simply about the attitude that's behind the statement that is made by an individual. It's important for one to smile when talking with customers.
Tone of voice is the attitude behind what a person is saying. It should be noted that the way that an individual speaks to other people matters.
It's important to use positive language. Therefore, one should avoid saying words like "we can't" etc. It's also important for one to use a friendly tone and smile at their customers.
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