Converting Uranium to thorium by decresing the number of protons from 92 to 90 and decreasing the number of neutrons from146 to 144 is an example of Alpha Decay.
Alpha Decay is a radioactive decay in which an atomic nucleus emits an alpha particle and <span>nucleus left behind has its atomic number reduced by 2 and its mass number reduced by 4. See attached picture for the complete reaction.</span>
I hove no clue what this is, so mabey don't trust me, but I think D is the answer.
Answer:
Black Mice
Explanation:
A term that refers to the survival of only those organisms best able (fittest) to obtain and utilize resources, resulting in the evolution of organisms that are best adapted to the environment.
It serves as the body's energy reserve