Brainteasers please look at?

Question

1.What has to eat to stay alive but dies if it drinks?

2.What 5-letter word, when all capitalized, reads the same way upside down?

Answer 1

1. Fire

2. SWIMS

Answer 2

1-idk

2-SWIMS

Answer 3

1:uhhhhhhhh, plants? spew.

2:idk.

Answer 4

2. SWIMS