Answer is Ribose, letter B).
The human respiratory system is basically the circulation of the body. the lungs which produces air/oxygen that cycles around the body which produces oxygen.
Answer:
Seaweed most commonly inhabit the littoral zone (nearshore waters) and, within that zone, on rocky shores more than on sand or shingle. Seaweed occupy various ecological niches. At the surface they are only wetted by the tops of sea spray, while some species may attach to a substrate several meters deep.
Explanation:
