Can anyone tell me the answer to this riddle?
it can never be eaten
but without eating it you die.
it can never be seen
but without seeing it you're blind.

1st. Food

You cant eat the word food but you need food or you can die

2nd. Eyes

you cant see your eyes (excluding mirrors) but without it your blind

3rd. Air

(i think) Bc Your always holding air without holding air that means there is no air  and you need air to breath (i know this on is silly)

4th. Love

Love can never be truly spoken but because love is connected to the heart uhhh... you can die (i guess)

5th. Gravity bc withught gravity you fly!

7

explanation:

it depends on what grade.

kindergarten to senior year in high school will go for about 7 hours. pre-k will go for bout 4-5 hours. college, it depends on your classes.