CEMENT AND ITS USES
Cement is a binder material that is primarily used in construction to bind together other materials such as sand, gravel, and bricks to form a solid mass. It is a fine powder made from a mixture of limestone, clay, and…
CELL REACTION TO ITS ENVIRONMENT
All living things are capable of responding to internal and external stimuli. The ability to do this is called irritability or sensitivity. By this means, plants and animals are able to detect and respond to changes in their environment. Irritability…
DEFINITION AND CHARACTERISTICS OF LAND
Definition: Land may be defined as the uppermost layer of the earth’s crust on which agricultural and non-agricultural activities are carried out. In other words, land can also be defined as the solid part of the earth’s surface which has…
Study Guide
