I would say it’s B because at the end we always have to look at the products not the reactants, and since they already balanced the equation then there are 2 Carbons. Hope you’d get it right :))
answered: Guest
water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.
answered: Guest
air
in a tire you fill a tire with air
then a couple days later you check the air pressure in the tire