What is the final step in the fourth stage of technological design, after a product has been improved and approved?

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

True or false graphs must include scales that increase by the same amount