Which of the following plant structures provides most of the water necessary for photosynthesis? a. roots, b. leaves, c. chloroplasts, d. stomata

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)