Limestones and chalk are
A. organically formed sedimentary rock
B. chemically formed sedimentary rock
C. Mechanically formed sedimentary rock
D. Metamorphosed sedimentary rock
Answer:A
Limestones and chalk are
A. organically formed sedimentary rock B. chemically formed sedimentary rock C. Mechanically formed sedimentary rock D. Metamorphosed sedimentary rock
Explanation: Lime stones and chalk are organically formed sedimentary rock derived from accumulation of corals and shells in sea.