What is the relationship between water clarity and kelp productivity

answer; i believe the correct answer is (anemia);

the answer is d (apex) good luck : ))

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

i think the answer is c hope this