What’s the boiling point of water?

Animals that eat both plants and meat are called what?

How many elements are there in the periodic table?

Can you hear anything in outer space?

the main character of breaking bad was a high school -------- teacher

What is the hardest known natural material?

You can't live without water! What is its chemical formula?

Three of the most common states of matter are solids, liquids, and gases. A liquid has:

------------------مخصماك و ابعد عنى انا مش