Batteries produce free electrons that can be used as an energy source to operate devices such as computers. Various elements are used as the sources of such electrons. Which criteria identify an element that most efficiently can be used to produce free electrons?

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a