Answer:
B. The population must be very large.
Explanation:
Oxygen, sulfur, nitrogen, and hydrogen!
Hydrogen would be the answer to this.
I would say <span>C. being injected into the cell is the right answer</span>
<span>The kind of symbiotic relationship between Dori and Marlin is mutualism. This kind of relationship is where two different organisms exist together and they benefit one another. Some other examples include pollination. Lastly, some of these interaction play a key role in terrestrial ecosystems. </span>
