Q: Consider the following pairs with reference to sedimentary rocks and the process of their formation : Sedimentary Rock — Process of Formation 1. Chert — Chemically formed 2. Geyserite — Organically formed 3. Shale — Mechanically formed Which of the pairs given above is/are correctly matched?
(a)1 only
(b)1 and 2 only
(c)2 and 3 only
(d)1, 2 and 3
Correct Answer: (a)
Detailed explanation coming soon.