Question

what is know as chalk​

Answer 1

❣️​Hola mate,

❣️​Here is your answer.. :)

(｡◕‿◕｡)❤

Chalk is a pure flat white with little reflectance.

✌✌✔️✔️✔️Ⓘⓕ ⓘⓣ ⓘⓢ ⓗⓔⓛⓟⓕⓤⓛ ⓟⓛⓔⓐⓢⓔ, ⓂⒶⓇⓀ ⓂⒺ ⒶⓈ ⒷⓇⒶⒾⓃⓁⒾⒺⓈⓉ✔️✔️✔️✌✌

Answer 2

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite shells (coccoliths) shed from micro-organisms called coccolithophores.