1. Dry ice is an example of _________, which is the process of a solid turning directly into a gas. (1 point) precipitation melting condensation sublimation 6. The ____ is a unit of force. (1 point) pascal atmosphere newton kilopascal 7. Which of the following is the boiling point of water? (1 point) -40°C 0 °C 100°C 130°C 8. Which of the following describes the molecular structure of water at 40°C? (1 point) water molecules are packed closely together and move only a little water molecules are spread out and moving vigerously water molecules are close together and moving freely around each other none of these