Answer:
some of the most essencial vitamins are A, C, D, E, K, and the B vitamins: thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxal (B6), cobalamin (B12), biotin, and folate/folic acid. some of the most essencial vitamins are calcium, chloride, magnesium, phosphorus, potassium, sodium, and sulfur.
Soccer, football. They each have to depend on there teammates
Answer:
It is most likely going to be C. Susan is on a fixed-ratio schedule of reinforcement.
Explanation: