10 elements and what you know about their properties and reactions.

Two things that biomedical has invented or innovated

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

Gymnast always perform on padded mats. how does the mats protect the gymnast