D - Allow pH to change drastically.
The reason that we have buffer in our system is to protect AGAINST sudden change of pH
Abiotic features are not living. they may play a role in helping biotic creatures live, but them theirselves do not live.
The answer is A, reproduction.
Answer:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements: carbon, hydrogen, oxygen, nitrogen, and phosphorous.
Explanation: