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 and the large intestine.
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 roof of the mouth and near pharynx
Human Ear Brief anatomy
The ear is the organ of hearing. The outer ear protrudes away from the head and is shaped like a cup to direct sounds toward the tympanic membrane
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 transmit sensations to the brain.
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 membranes that have smell receptors
ROCKS AND THE ROCK CYCLE
The rocks of the earth are very varied in composition, depending on the way they were formed and the time they were formed.
THE ORIGINS OF EARTH AND MATTER
The matter may be understood as anything that has a weight and mass. It is as the very origin of anything you may know to exist, from the microscopic objects to the entire earth and universe.
3 Major Weathering Types in the Soil Studies
Weathering is the process of the Soil formation resulting from the break-down of the parent materials.
4 Major Elements in the Components of Soil
There are four main components of soil, which are: those resulting from the-‘ breakdown of rocks, organic matter, water and air.
Soil pH | SOIL ACIDITY AND ALKALINITY
Soil pH is a measure of the acidity vs the alkalinity of the soil, and determines the capacity of that soil to exchange nutrients with plants growing in it.
Soil Fertility and its factors
Soil fertility is defined as the ability of the soil to produce and sustain high crop yields indefinitely.
Causes and effects of Environmental Pollution in Zambia
Pollution can be defined as the introduction by man into the environment of substances that can adversely affect the health survival or activities
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Greenhouse effect and the Global warming
The greenhouse effect refers to heat trapping action of the atmosphere caused by atmospheric gases and results in the general increase in earth temperature.
SOIL EROSION AND CONSERVATION
soil erosion is the removal of top soil by agents of soil erosion, such as rain, wind and flowing water. Soil conservation can be defined as the science and art of looking after the land
Forests and Forest Conservation
Forests can be referred to as groups of trees and other plants in a large densely wooded area. The two main categories of forests are natural forests,
POLLUTION CONTROL IN ZAMBIA
Zambia instituted the Environmental Protection and Pollution Control Act in 1990. The Environmental Council of Zambia (ECZ) was then established…