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…
Keeping our Home Clean. 2 Considerations
Keeping a home clean is important for the health and well-being of your entire family in so many ways.
Structure of a flowering plant
A flowering plant is the type of plants which has got roots, stems, leaves and whose reproductive structures are flowers.
Transpiration in plants
Transpiration is the evaporation of water from plants. It occurs basically at the plant’s leaves while their stomata are open for the passage of carbon dioxide and oxygen during the chemical process of photosynthesis. The diagram of a plant below shows the movement of water from the soil into the leaves up to the leaves. This transpired water must be
Vascular tissue in Plants | Xylem and Phloem
Vascular tissue is composed of xylem and the phloem. Xylem, which is the material you think of as wood, conducts water and dissolved mineral salts forming a continuous system that runs throughout the plant body.
ATMOSPHERIC AIR 3 Major Components
Atmospheric air is the type of air that can be observed under atmospheric conditions. Air is a mixture.
Scientific Measurement
A Scientific measurement is a result of a scientific process, usually expressed in numbers or standard units, that you obtain by measuring something.
ELEMENT, COMPOUNDS AND MIXTURES
Matter exists either in form of an element, compound or a mixture. An element is the simplest substance form because is made up of one type of atoms.
3 Major Techniques of Separating Mixtures
Chemists have developed many different methods of separating mixtures from simple or complex compounds.
Application of Assumptions of the Kinetic Theory
Kinetic theory has got more applications in daily life, in most of the tools and apparatus we use in our activities.
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COOLING EFFECT OF EVAPORATION
Evaporation results in the general loss in temperature,known as the Cooling effect of evaporation.