Suppose that there were two natural isotopes of Tin (Sn). Sn-110 had a mass of 110.013 amu and Sn-111 had a mass of 111.009 amu. Calculate percent abundance for each isotope if the average atomic mass of tin is 110.1 amu.

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Why is carbon ideal for making different compounds?

Consider the story you just read. all but one of the choices below indicate that something is living.