Weathering is:
a)when the weather changes
b)is the breakdown of rocks by a chemical, physical or biological process
c)when materials are moved by wind and water
d) when soil and rocks are worn away and moved to a new location by wind or water

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

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)]