Our Environment
Science Solutions from Chapter -1 - Our Environment
This chapter discusses the effect of human activities on the environment. It also defines the food chain and food web. The physical and biological conditions interact to establish a stable ecosystem that comprises both biotic and abiotic components.
Practice Other Topics from Our Environment
In this topic, we will learn about the structure of the earth with the illustrations. We will study the size and the gravity of the moon as compared to that of the earth. It discusses the characteristic features of the earth.

In this topic, we will learn about our environment. We will also understand why it is important to keep our environment clean. Here, we will get information about various things which together make the environment.

In this topic, we will learn about biotic components which are living components such as plants, animals, etc. It also briefs on abiotic components, which are nonliving components, such as soil, rock, etc.

In this topic, we will learn about biotic and abiotic components with the help of examples. It details how the biotic and abiotic components of an ecosystem interact. It also explains the need for both the components for the survival of life.

This topic describes the laws, policies and programmes made for environmental protection and conservation of nature and natural resources. It also describes the plans of Earth Summit, Agenda 21. Chipko movement, and various other programmes.

This topic puts light on the three R’s of waste disposal, reduction, reuse and recycle. It also explains some advantages of waste recycling. We will discuss the methods to implement 3R's principle with its advantages.
