It means that it has to be able to be test in an expermint that your doing
Answer:
They are used because of preference or convenience, not necessity. These scales came about historically when there were no standards to calibrate a thermometer against. The Fahrenheit scale used the temperature of the coldest thing then known for its zero, which was salty ice.13-Oct-2019
Putting glue on something, because once it is set in you cannot change it back.
Answer:
Entropy.
Explanation:
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