Describe radioisotope

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 royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles