The most easily polluted groundwater reservoirs are A. salt reservoirs.
C. water-table aquifers.
D. artesian wells.
lipid
B.
nucleic acid
C.
carbohydrate
D.
protein
Answer:
The correct answer is B. nucleic acid
Explanation:
DNA (deoxyribonucleic acid) is a biomolecule which belongs to the chemical groups of nucleic acids. Nucleic acids include DNA and RNA (ribonucleic acid) and they were called in this way because they were discovered initially within the nucleus of the cells. They are polymers- composed by nucleotids bonded in definited sequences- and they are in charge of the genetic information transference in living organisms.
bladder
urethra
medulla
Answer: bladder
Explanation: i just took the quiz
B. chemical reaction.
C. mixture in which the substances are evenly spread out.
D. mixture in which undissolved substances do not settle out.