6. During a pool game when a ball is hit into another, we can see momentum * (12 Points)
disappear
transfer
created
destroyed

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.