C. They unwinds the two strand of DNA.
Answer:
Solar and geothermal energy are both considered renewable energy sources. ... Nuclear energy produces nuclear waste, while solar and geothermal energy do not produce a significant amount of waste.
Answer:
The signs would be his fever/high temperature. The symptoms would be his feelings of nausea and migraine.
Explanation:
Where a symptom is subjective, as in apparent only to the patient (for example back pain or fatigue), a sign is any objective evidence of a disease that can be observed by others (for example a skin rash or lump).
<span>The theory of Alkaline Vents theorizes that life originated deep under the sea around hydrothermal vents. This could be likely because these vents provide plentiful methane and ammonia. Critics, however, point out that high temperatures are not conducive to organic life.</span>