Answer:
Overall Shape: Double Helix
Groups of Molecules Called: nucleotides
4 Nitrogenous Bases: Adenine-Thymine / Guanine-cytosine
Chargaff's rules: A=T, C=G
Backbone: Phosphate and deoxyribose sugar
Bonds: Hydrogen Bonds between base pairs
One result of weathering of rocks is the formation of soils.
Since weathering of rocks breaks down the surface of rocks, it affects the ground beneath them. This in turn results in formation of various kinds of soils, so I'd say B is the correct answer.
Answer:
I'm not sure what the options are but rna or ribonucleic acid is made up of a nucleobase called uracil instead of thymine (which is what dna has). It kinda looks like half of dna.