Estuaries are important for all the following reasons EXCEPT... A. act as a nursery for many marine organisms
B. provide a habitat for many marine organisms.
C. are home to many phytoplankton, the bottom of the ocean food chain.
D. they prevent harmful wildlife from interacting with humans

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)]

paper covers rock.

explanation:

rock only smashes scissors.