Which of the following acts as rocket propellants? — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

Step 1: Define pollution as any unwanted modification of the physical, chemical, or biological characteristics of air, water, or land. Step 2: Such changes are undesirable because they degrade the quality of the environment and pose a direct threat to living systems. Step 3: Therefore, these changes are undesirable and harmful to human beings, corresponding to option (c).