Planets that have not cleared the clutter from their neighborhood. Class: earth and space science

A planet that has not cleared the clutter from its neighborhood  but meets all other criteria for a planet  is called/classified as a dwarf planet.

Explanation:

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

the correct answer is b