A( developed during the process of technology design

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer