Concept:Xylem is the plant tissue that transports water and mineral salts.Explanation:• Plants have two main transport tissues: xylem and phloem.• Xylem carries water and dissolved mineral salts from the roots upward to other parts of the plant.• Phloem carries manufactured food substances from the leaves.• Cambium and cortex are not directly responsible for transporting water and mineral salts.Therefore, the correct answer is xylem.Answer:B. xylem