The answer is B - Thymine
Explain : because a , c , d are not nucleotides
I hope that's help !
Answer: B. Smoking not only produces negative effects on human health but also on the environment.
Explanation:
Plants also have adapted to the Arctic tundra by developing the ability to grow under a layer of snow, to carry out photosynthesis in extremely cold temperatures, and for flowering plants, to produce flowers quickly once summer begins. A small leaf structure is another physical adaptation that helps plants survive. Plants lose water through their leaf surface. By producing small leaves the plant is more able to retain the moisture it has stored.
If this is true or false than it is FALSE
