Pyrimidines are single-ringed nitrogenous bases that include Uracil, Cytosine, and Thymine.
If any of these three nitrogen bases are part of the multiple choice, then it should be the answer. I just took the test and for me it was Thymine.
The week after her period is when she is most likely to become pregnant. this is due to the ovulation that occurs during that time.
The answer is: [D]: "ammonia" .
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Answer:
transpiration is the process by which plants loses water vapour to the atmosphere