Kids Riddles

Question: Two children are born in the same hospital, on the same year, on the same day, and have the same father and mother. But they are not twins.

How is this possible?

Question: How much dirt is in a hole that has a radius of 33.2 meters and a height of 78.2 meters?

Question: My first two are male, and my first three female.
My first four save them both, and my whole is a female of the same sort.

What am I?

Question: I do not eat food. But I do enjoy a light meal everyday.

What am I?

Question: If you're looking for something sweet I know what to do.
But if you don't like heat I'm not for you.

What am I?