Once started, why can nuclear fission continue to occur on its own? The thermal energy released can cause the products to join.
The neutron formed by the reaction can cause more nuclei to combine.
The thermal energy released can cause the products to split.
A neutron begins the reaction, and more neutrons are formed in it.

J. j. thomson’s experiment disproved the theory that an atom

Frequency of electromagnetic waves that a radio station is assigned is called

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?