My catagory is actually earth science but what layers make up sedimentary rock?

Sedimentary rocks are laid down in layers called beds or strata. A bed is defined as a layer of rock that has a uniform lithology and texture. Beds form by the deposition of layers of sediment on top of each other. The sequence of beds that characterizes sedimentary rocks is called bedding.

idk

explanation:

a. i. only is correct.