The answer to the question is D
Answer:
Proton
Explanation:
Neutron are neutral, ion I am not sure but are not positive, and electron are -.
In evolutionary biology, phylogenetic trees are used to exhibit and illustrate the evolutionary relationships of two or more organisms, and identify the origins of life altogether. To achieve this, there are three methods of classification which are phonetics, cladistics, and taxonomic groups.
Answer: B
Explanation: when coal lights it gives off heat energy