How many countries does africa have

What is the style of discipline in which the teacher or parent establishes rules, monitors the child's behavior, then enforced rules by administering appropriate punishment

Is tea good for you? if so what type of tea is good for you? and how much should i drink before it is a threat to my health?

Heat affects all vitamins. which vitamins are more sensitive to heat and leach into water? a. vitamin a and d b. vitamin b and c c. vitamin e and k d. vitamin d and c