Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
Answer:
an object that goes boing boing
Explanation:
because I said so
Hopes this helps:
Answer:
The body of a fish is streamlined because, it increase the speed of the fish in the water. The more the streamlined shapes more easier for the fish to swim in the water.
They are important for our health,they give us more energy and we can be more strong and they help us at imunity
