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Which of the following in automobile exhaust can cause cancer?
Which of the following is a characteristic of all minerals?
Which of the following is a compound?
Which of the following is a man-made source of air pollution ?
Which of the following is a monoatomic gas?
Which of the following is a natural polymer?
Which of the following is a non metal that remains liquid at room temperature ?
Which of the following is a radioactive element?
Which of the Following is an Amorphous solid?
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous?