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:
<span>After seeing what logging had done to other parts of Africa, in 1999 the countries of the Congo Basin decided to find a way to protect the environment and in 2000 put laws into place to make sure that logging and other things didn't have a negative impact of the environment.</span>
I believe they both experience heavy rainfall. Although the tropical savanna has a wet season, it also has a dry season.
Hope I could help.