Geography [3 Mark Question Answer]

Open solid waste may pollute directly the air, besides this by washing with rainwater run-off it may pollute a large area and cause soil and water pollution. On the other hand, the closed compost system of solid waste may provide good manure. Moisture control is done and micro-organisms help to stabilize the organic matter. First, the fungi start to work, and at last, actinomycetes break down the waste and convert it to humus known as compost making a good fertilizer.

Importance of Organic Farming is the following :

1. Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships.
2. Organic residues and nutrients produced on the farm are recycled back to the soil. Cover crops and composted manure are used to maintain soil organic matter and fertility.
3. Preventative insect and disease control methods are practiced, including crop rotation, improved genetics, and resistant varieties. Integrated pest and weed management, and soil conservation systems are valuable tools on an organic farm.

Advantages of No Smoking Zone are the following :

1. It reduces the possibility of second-hand tobacco smoke inhaled by non-smokers.
2. It reduces air pollution. Areas which have prohibited smoking have been found to have better indoor air quality as opposed to areas where smoking is allowed.
3. It reduces healthcare costs by reducing the chances of diseases caused by smoking.
4. It reduces the chances of influencing others, especially the youth, to take on the habit of smoking.