Eons: Hadean, Archean, Proterozoic
What happens in nuclear fusion reaction is that<span> four hydrogen </span>nuclei combine in a <span>proton-proton </span><span>fusion </span><span>to form one </span>helium atom. In the process of fusing to form the helium atom, some of the mass of the hydrogen atoms is converted into vast amounts of energy, which is released.
Genetic fingerprinting is a tool used in analyzing body tissues or fluids, and in identifying a person.
hope this helped <span />
I believe group of cells working together and or performing the same task can be categorized also as a specialized tissue.
<span>deoxyribonucleic acid or DNA. </span>
