The summary or ending of your experiment

let that person have a turn to speak : )

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.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .