They all contain carbonyl groups. DNA has carbonyl groups in it's nucleotide ring structures. Every amino acid in a protein has a carbonyl group in its backbone structure. Fats too have carbonyl groups in their structures attached to hydrocarbon chains
<span>D
Sedimentary rock can change into metamorphic rock.</span>
Answer: important because it helps make sure no one will get hurt
Explanation:
if there weren't lab rules then people could burn themselves or get severely hurt
