The right answer to this question is U-235. It is an isotope of Uranium and it is an unsteady heavy metal used in fission reactions because it can run long chains of reactions. I hope this helps.
Volcano's and earthquakes are both outcomes from a collision of continental plates.
Please provide the following
Proton and neutron because e does not matter much
and the mass of atom as you already know is consist of p and n
Answer:
four 0.5 times 10 to the 23rd Adams of Neptune
Explanation:
