Classs 5 girls and boys come in zoom it is science class come fast with your name and class classs is stated come fast I am waiting come fast

no thanks but thanks for asking and is this mandatory

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.