Answer:
Radioisotope -> An atom with an unstable nucleus
Radioactivity -> The spontaneous discharge of energy from an unstable nucleus
Radioactive Decay -> The process by which the nucleus of an unstable isotope changes
Strong Nuclear Force -> Binds protons and neutrons together in the nucleus
Answer:
Middle Ages or Medieval Period lasted from the 5th to the 15th century
Answer:
The option that best describes many of the post war's eras writers and their works is pessimistic.
The Boxer Rebellion. the Boxer Rebellion was an uprising in China between 1899 and 1901
