Areaction that is spontaneous can be described as

(a) proceeding without external influence once it has begun.
(b) releasing heat to the surroundings.
(c) proceeding in both the forward and reverse directions.
(d) increasing in disorder.
(e) having the same rate in both the forward and reverse directions

58750.08068 is the answer i think

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

може ли да зареждате повече информация, моля