What does a heater emit?

How many wheels on a tricycle?

A man carries his money in a ?

You wear a hat on your?

What is a pumpkin pie made of?

A pair of glasses contain how many lens?

How many inches are in a foot?

what is 2 + 2?

Which type of electromagnetic wave travels the fastest in the vacuum of space? (choose the best answer)

Why does a flame appear yellow?