ATP is a high-energy molecule found in every cell. Its job is to store and supply the cell with needed energy. hope this helps :)
Answer:
Mitosis is when a diploid cell becomes 2 haploid cells with single chromosomes
Explanation:
Google said hydrogen so I'm guessing B. gases
The most specific classification of organism is D species. it is considered the basic unit of biological classification or a taxonomic rank. It might bee also define as the largest group of organisms . there could be found classical forms, fixed species and species that could change.