Kelley wants to conduct an experiment about sound. which question could kelley best test with a scientific experiment? a. why is sound important for everyday communication? b. through which material does sound travel at the greatest speed? c. which sound from a musical instrument is the most pleasant? d. what type of scientists study sound and its properties?

B. Through which material does sound travel at the greatest speed.

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.

human-caused climate hope this