Alternative ways of representing nucleic acid chains, in this case a single strand of DNA containing only three bases: cytosine (C), adenine (A), and guanine (G). ... This structural difference is critical to the different functions of the two types of nucleic acids.
The correct answer would be the Alveoli
it is a stationary front because the stationary fron does not move from one place.
the branch of science which deals with celestial objects, space, and the physical universe as a whole.