What wave behavior occurs when the wave energy is not transferred through, or reflected by, the given medium​

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

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.