How much more harmful is methane than CO2 as a Greenhouse Gas?

In the first two decades after its release, methane is 84 times more potent than carbon dioxide. We must address both types of emissions if we want to reduce the impact of climate change.

Explanation:

i'm assuming that it's c.) red bank..

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