Intermolecular attraction describes how the particles that make up matter are attracted to each other. the graph below compares the intermolecular attractions in two substances. one substance is a solid and the other is a liquid. *pic* which statement best describes the two substances? a) particles are closer together in solids, therefore substance b is a solid. b) particles are farther apart in solids, therefore substance a is a solid. c) particles are closer together in liquids, therefore substance a is a liquid. d) particles are farther apart in liquids, therefore substance b is a liquid. ps. i think it's a or d

Anything that  says further apart is incorrect. So B is incorrect.

A is correct as near as I can tell.

C is not correct. The particles. I think C is the right answer supplied with the wrong reason. Regretfully, you can't choose it.

Same answer as C for D. Right answer wrong reason.

Answer A.

ANSWER:

Nucleic acids display a wide variety of secondary structures. For example, the Watson-Crick model. It proposes that the DNA exists as a double helix structure, wherein the two strands of the polynucleotides run in the opposite direction. Its backbone is formed by the sugar-phosphate-sugar chain where in the nitrogen bases are proposed almost perpendicular to this backbone, facing inwards. A and G of one strand base pairs with T and C respectively on the other strand. Between A and T there are two hydrogen bonds and between G and C, there are three hydrogen bonds wherein each strand appears as a helical staircase. One complete turn of the helical strand has ten base pairs.