Explain why the total mass of carbon must be decreasing in a different step of the slow carbon cycle based on the increase in atmospheric CO2.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

bcde is the incorrect answer it is a

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter