During combustion, methane yields carbon dioxide and water. the unbalanced equation for this reaction is: ch4(g) + o2(g) co2(g) + h2o(l) what will the mole ratios for the balanced equation be? (what coefficients are needed in order to balance this equation? ) a. 1 : 1 : 2 : 1 b. 5 : 4 : 3 : 6 c. 1 : 2 : 1 : 2 d. 1 : 1 : 1 : 2

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.