Adenine and guanine
Thymine and cytosine
Answer:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.
Explanation:
The answer for this question would be choice <span>B) Water, rock, and surface materials, or the second option.</span>
The answer would be “A cancer cell” i believe.
Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain. Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources :)
