Which of the following statements is true?

a)weathering and erosion are the same process.
b)coarse, infertile soil is usually found near the base of a mountain.
crocks formed at low temperatures weather more quickly than rocks formed at high temperatures.
d)weathering is the movement of sediment from one location to another.

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

it is a

explanation: