I NEED HELP The graph below shows the distance traveled by four cars, A, B, C, and D, over a period of time. Which of the following statements can be concluded from the information on the graph?

A. All cars traveled at least 90 kilometers.

B. All cars traveled at different speeds.

C. All cars traveled for 4 hours.

D. All cars came to a stop, but at different times.

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false