i) It’s because of cooling slowly which gives the minerals in the molten rock time to collect together and form large crystals.
ii) Formation of organically formed sedimentary rocks.
- They are formed from remains of dead plants and animals/ organic material.
- The materials may be deposited together in water or buried on land.
--The materials become compacted to form various types of rocks called organically formed sedimentary rocks.
-They are classified on the basis of their composition and mode of formation.
lydiajane74 answered the question on November 24, 2017 at 12:41
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