An electric iron is used to remove wrinkles from clothes the electric iron is made of metal which property of this substance is most useful for this applicationboiling pointdensity electrical conductivity thermal conductivity

thermal conductivity

the answer is the first option

explanation:

just googled it m8. not that hard

lol

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.