the answer in my opinion would have to be B.
Explanation:
Non - clastic sedimentary rocks are formed by precipitation of the minerals from the ocean water or from the breakdown of the bones and shells of sea species . Sea animals like the corals produces calcium carbonate solutions which solidifies to form rock .
Since the chemicals from the biological or mineral precipitation get mixed along with the sediments in the lake or ocean , which crystallize and grows , and finally forms a rock .
Answer: The <u>Ganges</u> river is in India, and the <u>Indus</u> river is located in Pakistan.