Final answer:
To gather complete data about a gas, use a manometer and a thermometer together in your measurements.
Explanation:
In order to record the most complete data about a gas, you should use a manometer and a thermometer.
A manometer is used to measure the pressure of a gas, providing crucial information about its behavior under different conditions. A thermometer is essential for monitoring temperature changes, which impact gas properties.
By using a manometer and a thermometer together, you can gather comprehensive data on how the gas responds to pressure and temperature variations.
Learn more about gas behavior under pressure and temperature here:
https://brainly.com/question/43774572
