Name two biologically important compounds that contain both oxygen and nitrogen
• DNA (Deoxyribonucleic Acid)
• RNA (Ribonucleic Acid)
• Amino acids
Write a note on how forests influence the quality of our air, soil and water resources.
We know that many human activities lead to increasing levels of pollution of the air, water-bodies, and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?
You have seen weather reports on television and in newspapers. How do you think we are able to predict the weather?
How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?
Why is water essential for life?