THIS NEEDS TO BE BALANCED

___ CaSO4 + ___ Al(NO3)3 --> ___ Ca(NO3)2 + ___ Al2(SO4)3

3, 2, 3, 1

Explanation:

- Seperate each element with number of each. (I recommend making a list.)

- Multiply to try to get equivalent numbers.

- You should end up with 3, 2, 3, 1

- Hope that helped! Please let me know if you need a further explanation.

first one is the correct answer

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms