Answer:
2
Explanation:
Oxygen has 6 in the outer shell. So in order to complete its octet it only needs two electrons. Like in the Water molecule, oxygen forms covalent bond with two hydrogen atoms.
A British <span> bacteriologist </span>
The correct answer is: D. Alcohol fermentation
Alcohol fermentation is a form of anaerobic where the simple sugars such as glucose or fructose are converted into energy (ATP) and the products of this reaction are ethanol and carbon dioxide. Alcohol mechanism is performed by yeast and some fishes. This is a mechanism used for the production of alcoholic beverages.
Abiotic factors are anything nonliving that help biotic, or living things. Abiotic features include wind, water, ice, sand, rocks ,or even things such as temperature. They are nonliving things. Biotic includes all things living such as humans, plants, and animals. All biotic things rely on nonliving abiotic features to survive.