10 things messed up with the show spongebob

1. Why do they take a shower?

2. How can they see plankton?

3. How is there fire underwater?

4. How come Gary meows?

5. How is Pearl Mr.Krab's daughter?

6. How can Sandy communicate with fish?

7. How do they flush the toilet underwater?

8. How is there Goo Lagoon underwater?

9. How can there be boats underwater?

10. Why doesn't Squidward wear pants?

HOW AND WHY THEY CAN DO ALL THAT UNDERWATER???