Solution:

The letter 'n'.

Solution:

Charcoal

Solution:

All (all months have twenty eight days atleast)

Solution:

This is because I have three quarters, four dimes and four pennies contributing to $1.19. But in no way I can pay a dollar exactly.

Solution:

I am a compass.

Because I am a compass and I help people navigate all around the world.

Solution:

Chile

Solution:

Yes. All three of them are the best. Laughter is the best medicine, living well is the best revenge and a good offense is the best defense.

Solution:

Turning 30

Solution:

Alex was probably looking in a map and he located the English Channel between France and England.

Solution:

Sun