Chalk is an organically formed sedimentary rock resulting from the accumulation of calcium carbonate from marine organisms. Chemical sedimentary rocks are formed through mineral deposition from solutions, not applicable to chalk.
In the following question, match the sentences beginning in Column I with their appropriate endings in Column II.
In the following questions, two columns are given, Column 1 and Column 2. Each column contains 3 phrases. Match the phrases in Column 1 with the phra...
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