Because it throws the earth off balance and if it does it often enough then it will soon add up.
Could I hear the options..
I think the answer is a pure substance
The formula for the compounds in the reaction are as follows with the respective states
Carbon monoxide - CO (g)
hydrogen - H₂ (g)
methane - CH₄(g)
water - H₂O (l)
reaction of carbon monoxide with hydrogen gas gives rise to methane and water
the balanced chemical equation for the above reaction is as follows
CO(g) + 3H₂(g) --> CH₄(g) + H₂O(l)
I believes you would use grams to describe the mass of a tablespoon an you should report that guy