Which term describes a change that occurs with no new substances being formed? A. Bond change O B. Chemical change C. Physical change O D. Energy change​

Different isotopes indicate that an element will have different numbers of

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

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5