Respuesta :
Answer:
Neutrons start the reaction and are released during it
Explanation:
N
Neutrons start the reaction and are released during it is the correct answer.
What is responsible for chain reaction?
Neutrons start the reaction and are released during it is the feature of nuclear fission reactions that allows these reactions to take place in a chain reaction because the neutron that is released hit the other atom which leads to the start of other reaction and so on.
so we can conclude that Neutrons start the reaction and are released during it is the correct answer.
Learn more about reaction here: https://brainly.com/question/26018275#