<h2>Answer is option "1"</h2>
Explanation:
- Infections are not plants, creatures, or microorganisms, however, they are the quintessential parasites of the living realms. Despite the fact that they may appear living organisms as a result of their gigantic regenerative capacities, infections are not living organisms in the exacting feeling of the word.
- Without a host cell, infections can't complete their life-continuing capacities or recreate. Infections can't produce or store vitality as adenosine triphosphate (ATP), however, need to determine their vitality, and all other metabolic capacities, from the host cell.
- Hence, the right answer is option 1 "viruses are not capable of metabolic activity on their own; they must have a host cell to reproduce."
C. concentration; moves from areas of high concentration to areas of low\
Metabolism is a set of chemical reactions happening within an organism. These reactions are necessary to maintain the living state of cells, allowing them to reproduce, grow, and respond to environment.
I think the correct answer from the choices listed above is the third option. All of the following are common water pollutants that can be damaging to the environment except <span>carbon dioxide from combustion. This pollutant would go directly to the atmosphere and not to the waters. Hope this answers the question.</span>
The answers are water and carbon dioxide.