Explanation:
Kingdom 4 because it consists all features of plantar.
I believe false. It should be
The answer in true because it can drop in temperature
Answer:
An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy. Instability of an atom's nucleus may result from an excess of either neutrons or protons.
Explanation:
