I AM NOT SURE IF THIS IS CHEMISTRY BUT I NEED HELP ASAP I WILL GIVE BRANLIEST TO THE FIRST RIGHT ANSWER NO BOTS ALSO U WILL GET 50 POINTS

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

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both