Which of the following environments would most likely form limestone?
A)beach at A
B)lagoon at B
C)coral reef at C
D)deep seafloor at D
E)tidal flat at E

Question

Which of the following environments would most likely form limestone? 
A)beach at A 
B)lagoon at B 
C)coral reef at C 
D)deep seafloor at D 
E)tidal flat at E

Quizplus · Accepted Answer

Limestone is primarily formed from the accumulation of calcium carbonate from the shells and skeletons of marine organisms. Coral reefs, which are composed of the calcium carbonate remains of coral polyps, are ideal environments for limestone formation. Therefore, the environment that would most likely form limestone is a coral reef, represented by choice C.

Which of the Following Environments Would Most Likely Form Limestone