Which of the following statements about matter is true? a. mass and matter are always the same. b. matter is made up of atoms and has mass. c. mass can decrease while matter increases. d. matter does not exist in the biosphere.

B.

Anything that has mass is matter but in order to have mass it needs to be made up of atoms. Matter cannot increase as it is not a measurement.

answer; ///i do believe that the correct answer is (c) hold atoms together to form compound;

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.