Not good with this kinda stuff, if someones willing i could use the help.

Answer:
1. Fat soluble vitamins and water soluble vitamins
2. Calcium, sodium, potassium, magnesium, phosphorus, chlorine and sulfur
3. Water is very important for our bodies because it plays a role in almost every reaction inside of us, including those making energy and new tissues. Water is also essential for homeostasis, a process which keeps a constant environment inside of us.
Explanation: