Answer:
a substituted derivative of purine, especially the bases adenine and guanine present in DNA.
a colorless crystalline compound with basic properties, forming uric acid on oxidation.
D. Cross braces this is the right answer
When a new technology is introduced, there is geo-testing performed to see how this new extraction method effects the environment. The over all effects and efficiency are what should determine the acceptance of these solutions.
Answer:
self-copying molecules ate the primordial soup
Explanation:
