If i have two cars and one pair of keys. why don't i have two pairs of keys?

Which popular american sandwich is made by placing a beef patty inside a bun?is an american classic prepared by placing a fried or barbequed beef patty in a bun.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of these pieces of safety equipment should be worn when operating a chainsaw