Expand the abbreviation $GAP$.

From the list given below, pick the item that is not a natural resource.

In a village in Karnataka,people started cultivating crops all around a lake which was always filled with water. They added fertilisers to their fields in order to enhance the yield. Soon they discovered that the waterbody was completely covered with green floating plants and fishes started dying in large numbers. Analyse the situation and give reasons for the excessive growth of plants and the death of fish in the lake.

In the context of the conservation of natural resources,explain the terms reduce,recycle,and reuse. From among the materials that we use in daily life,identify two materials for each category.

List any four methods of conserving fossil fuels.

Suggest a sequence of suitable methods for the disposal of waste produced at your home to minimize environmental pollution.