If you can help me that'd be great!
Is this right:

Conglomerate would be a…..

A) a high energy sedimentary rock<<<<
B) rock formed by calcareous plankton
C) rock formed from biogenic silica

Limestone would be a…..

A) a high energy sedimentary rock<<<<
B) rock formed by calcareous plankton
C) rock formed from biogenic silica


Chert would be a…..

A) a high energy sedimentary rock
B) rock formed by calcareous plankton<<<<<<
C) rock formed from biogenic silica