Which two systems in the human body work together to eliminate carbon dioxide (CO 2) from the body?

Long term exposure to waves can cause sunburns and skin cancer.

Onsider the paragraph above. what is one chemical property of water? a) water is a polar molecule. b) water is the universal solvent. c) water reacts with group 1 metals. d) water has a high specific heat capacity.

Ascientific idea becomes valid when it is what?