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All of the following are benefits of automation except1. it reduces costs2. it improves precision 3. it eliminate human error4. it increases the number of employees stoichiometry is the same regardless of which two elements are being examined1. true2. falsewhat problem does chlorofluorocarbon create1. it causes lead poisoning 2. it causes great damage to the ozone layer3. it leaks into food as it cools the air on refrigerators4. it is responsible for most of the pollution created by automobilesa closed loop system is more sophisticated than an open loop system1. true2. false