Read the scales of this balance. The unknown sample has a mass of:
11.2 g
01.012 kg
1.220 g
O 1.200 g

Is powdered sports drink ionic or covalent ? 10pts !

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves