Consider the following statements and select the correct answer using the code given below: 1. Production of metal from mineral ores is a primary industry. 2. Pulping of logs to make paper is a primary industry. 3. Manufacturing of heavy machines is a secondary industry. 4. The iron and steel industry is the basic to all industries. Code:

• A.  1, 2 and 3 are correct    
• B.         1, 2 and 4 are correct
• C.         1, 3 and 4 are correct    
• D.         1, 2, 3 and 4 are correct