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Q. |
Which of the following are true with respect to sedimentary rocks? 1. The rocks are deposited in layers 2. The particles of rocks are at times wholly of organic nature 3. The rocks are not crystalline 4. Their structure is determined by great pressure or heat |
A. | I, II and III |
B. | II and III |
C. | I and IV |
D. | I and II |
Answer» A. I, II and III |
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