Natural Resources
Science Solutions from Chapter -1 - Natural Resources
This chapter describes the natural resources available on Earth. Water covers 75 percent of the Earth’s surface. The air is composed of nitrogen, oxygen, carbon dioxide and water vapor. It also describes the biogeochemical cycle.
Practice Other Topics from Natural Resources
This topic focuses on the concept of natural resources. There are three main resources on earth: land, water and the air. Living things are the biotic components of the biosphere, while air, water and land are abiotic components.

In this topic, we will know about the importance of air, and its components. It also discusses the various features of air like the role of the atmosphere in climate control, movement of air, rain and air pollution.

This topic enlightens us about the facts related to another natural resource, water. Water is essential for the survival of living beings and covers a large area of the earth's surface. It also explains the causes of water pollution and its effects on life forms.

The topic focuses on the concept of soil and the factors that help in the formation of soil, such as the sun, wind, water and living organisms. It also gives a brief description of components of soil and the factors that leads to soil erosion.

The biogeochemical cycles are the result of constant interaction between the biotic and abiotic components of the biosphere. In this topic, we will go through various biogeochemical cycles and their function in various life processes.

In this topic, we will learn about ozone layer. It is a protective layer that absorbs and prevents harmful UV radiation from reaching the Earth's surface. It also discusses the various factors responsible for the degradation of ozone.
