The seaflor spread in opposite directions as mangma forces its way upward. Geologist have observed matching, reserved magnetic bonds on both sides of this ridge,. Which is the best explanation of these matching, reversed bands

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.

the answer is 0.42 is that is an option. this question provides no info