sentence2_structure: metals<>tend<>to have greater conductivity and higher melting points than nonmetals<>In a comparison of metals to nonmetals$$$metals<>to have<>greater conductivity and higher melting points than nonmetals
sentence1: A metal replaces a metal, and a nonmetal replaces a nonmetal.
sentence2: In a comparison of metals to nonmetals, metals tend to have greater conductivity and higher melting points than nonmetals.
question: In a comparison of metals to nonmetals, metals tend to have