In a nuclear power plant, where are fuel rods found and what function do they perform?

Reactor core

Explanation:

Fuel rods are long slender rods which contain the fissionable material that serves as the nuclear fuel such as uranium oxide. The fuel rods are loaded into the reactor core and surrounded by coolants.

The fuel material inside the fuel rid is a highly radioactive substance which powers the nuclear reactor.

1.solid

2.carbon dioxide

3.helium