Nuclear reactors are used for the production of nuclear energy.
Nuclear reactors contains uranium rods. Uranium undergoes nuclear fission when it absorbs one neutron producing two new nuclei and 3 neutron and large amount of energy.
Petroleum, carbon and hydrogen can not be used in nuclear reactors.
Charles Darwin is more famous than his contemporary Alfred Russel Wallace who also developed the theory of evolution by natural selection. scientist who studies living organisms.J