Which of the following statements is true? choose one: a. limestone that contains coral fossils probably developed in a deep sea. b. marine limestone that overlies alluvial fan conglomerate shows that the sea level rose at that site. c. shale that contains land plants probably formed in an alluvial fan or a stream channel. d. a piece of gneiss radiometrically dated as 4.4 billion years old is the oldest whole rock yet found.

A - Limestone that contains coral fossils probably developed in a deep sea

Explanation: Limestone is a sedimentary rock  which is formed on the sea floor where material rich in calcium carbonate accumulates. Sedements that form the limestone are bryozoa , corals , crinoids  and  microscopic algae  shells.

Limestones originate as soft lime muds, shells and other fragments of the organisms living in the water. When these sediments are buried under others, they are compacted, the water is squeezed out of pore spaces and, in some cases, mineral grains are physically re-organised or chemically changed by the pressure.

answer; (c) canada,mexico and the united states. i do believe this is the correct answer; /// good luck

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