SOIL ACIDITY AND ALKALINITY (pH)
Soil can either be acidic or alkaline depending on the parent material it was made from. The chemical composition affects
4 Major Elements in the Composition of Soil
Soil is made up of four main constituents, which are: those resulting from the breakdown of rocks, organic matter, water
3 Major Types of Weathering and Soil Profile
Introduction We tend to think of the landscape as unchanging. However, it is slowly and continuously being reshaped. Usually, this
Weathering Types in the Soil Studies
Introduction We tend to think of the landscape as unchanging. However, it is slowly and continuously being reshaped. Usually, this
ROCKS AND THE ROCK CYCLE
It is important to note that most soil material is mineral and all minerals are derived from rocks. The rocks
THE ORIGINS OF EARTH AND MATTER
Introduction The matter may be understood as anything that has a weight and mass. It is as the very origin of
The Human Skin as a sense of touch
The sense of touch is distributed throughout the body. Nerve endings in the skin and other parts of the body
The nose and Sense of Smell
The nose is the organ responsible for the sense of smell. The cavity of the nose is lined with mucous
Human tongue and the sense of Taste
The receptors for taste, called taste buds, are situated chiefly in the tongue, but they are also located in the
Human Ear and the sense of Hearing
The ear is the organ of hearing. The outer ear protrudes away from the head and is shaped like a
Human Eye and the Sense of Sight
Sight is probably the most developed sense in humans, followed closely by hearing. The eye is the organ of vision.
The intestines Structure and Functions
The intestines are located between the stomach and the anus and are divided into two major sections: the small intestine