What is the properties of solid and liquid?

liquids have loosely packed particles that move around freely and takes the shape of it's container. ex: water

solids have tightly packed particles that only vibrate in place and have a definite mass and volume. ex: rock

thats how its supposed to be

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.