What happens when igneous rock becomes sedimentary rock?
a. igneous rock melts and crystallizes to become sedimentary rock.
b. igneous rock weathers, erodes, compacts, and cements to become sedimentary rock.
c. igneous rock cools and solidifies to become sedimentary rock.
d. igneous rock undergoes heat and pressure to form sedimentary rock.

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.

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.