True or false it takes more than one gallon of water to refine one gallon of gas. a. true b. false true or false one gallon of water can produce one pound of beef a. true b. false true or false americans use 2-5 liters of water per day for all of our personal needs a. true b. false

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d