I believe the correct answer is C. Nektons include bony fish and squid.
Answer:
No
Explanation:
Atmospheric refraction raises the sun about 1/2 degrees upward in our sky at both sunrise and sunset. This advances the time of actual sunrise, while delaying the time of actual sunset. This gives several minutes of extra daylight, not just at an equinox.
Answer:
At the bottom you have the producers aka auto trophic livings (which use inorganic compounds to grow, produce energy, matter and so on..). These organisms would be plants, Cyrano bacteria, over all any organisms that do photosynthesis.
The answer to this is most certainly not A or C, so you can rule those out. If you look at DNA, every persons has different nitrogenous bases (<span>adenine (A),guanine (G), thymine (T), and cytosine (C))
This means the answer to your questions is #2, DNA.
Hope I helped you!</span>