How are gross production and net production different? a. Net production is always greater than gross production. b. Net production is always less than gross production. c. Only animals have net production. d. Only plants have net production. Please select the best answer from the choices provided A B C D

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).