<span>Skin in both humans and animals serves to not only protect the organs contained within us but also serves to provide sensation, which allows man and animal alike to perceive and react to external stimuli such as pain and pleasure. Lastly skin serves to regulate body temperature.</span>
Answer:
The chemical basis of Chargaff"s rule is the bonding properties of the DNA bases.
Explanation:
According to the Chargaff"s rule in a DNA molecule the total number of purine bases are equal with the total number of pyrimidine bases that means
Adenine +Guanine=Thymine +Cytosine
In simple words the rule is based on the 1:1 ratio of both purine and pyrimidine bases.
I believe A. Nitrogen is the most abundant Gas.
The answer is A as corals are very delicate to their surroundings