Answer:
C. taste for salt and sugar.
Explanation:
the most common personal preference in the taste of food is salt and sugar amounts taken in a meal. Most of the people vary in their intake of salt and sugar. Other options such as desire for sour tastes, significant nutritional value and craving for protein are not common preferences for most people. Nutritional value for each meal is only sought by athletes or people who strictly needs to control it for professional purposes. A desire for sour is also not common in many individuals. A craving for protein is also less commonly seen.
Because he can check if your teeth are alright, because he can take measurements against danger in your mouth and because he can give you instructions on how to take care of your teeth
Strong communication and long-term interaction indeed are normal in this type of group (Brainly). Considering it is a social network aimed at helping students like yourself, the people who answer strive and give their best to answer it properly - both involve strong communication and long-term interaction.