Nature

123
Across
  1. 2. I am been used by you humans everyday I can be salty and Fresh You Guessed me So Who Am I?
  2. 3. I grow everyday I need more than the element water i grow bit by bit Who Am I?
Down
  1. 1. you need me everyday because of it even you are eating Who Am I?
  2. 2. It is in the air but you cannot see it Who Am I?