HURRY What is peptidoglycan?
a special molecule that helps eubacteria to make their own food
a combination of polypeptides and modified sugars that enclose the entire eubacteria
a combination of sugars and lipids that make up the cell membrane
a special molecule that helps make proteins

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)]

acceleration = 18/3 = 6 m/s per second.

hope i

-lavira: )