Question

99 points if you answer this question . and only if its right . i will check lol

Answer 1

Fast during holy month,
declaration of faith,
giving charity
 
im pretty sure thats it

Answer 2

The neccesary ones are :
-fasting during month once of age it is compulsory.
-giving to charity also known as zakah ( I think)
is neccesary if you can afford it during the month of Ramadan
-and spreading the faith as Thad what the prophet muhammed (pbuh) did.