Which set of elements represents a period within the Periodic Table? H, He, Ar , Xe , Rn ,

N, P, As, Sb , Bi

K, V, Fe, Ga , Kr

La, Pa, Sm, Tb, Yb

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

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist