Which statement correctly describes the major types of sedimentary rocks and how they form?

Which statement correctly describes the major types of sedimentary rocks and how they form?

• A. Clastic rocks form from cemented weathered fragments; chemical rocks form from precipitation of minerals; organic rocks form from accumulated plant and animal material.
• B. Clastic rocks form from precipitation of minerals; chemical rocks form from weathered fragments; organic rocks form from molten material.
• C. Clastic rocks form from igneous crystals; chemical rocks form from biological material; organic rocks form from metamorphic processes.
• D. All sedimentary rocks form by tectonic uplift.

Answer: (A)