How does air pressure affect the boiling point of a liquid? A. Air pressure prevents diffusion from happening in a gas.
B. Air pressure decreases the kinetic energy of the liquid molecules.
C. Air pressure keeps liquid molecules from escaping as a gas.
D. Air pressure lowers the temperature of the liquid molecules.

What is the smallest component or the most basic building block of any element ? a. an atom, b.a compound c.gas d.element

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.

The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide