Global Warming Global warming is the gradual heating of the earth that is caused by elevated levels of
Category: Combined Science
Biogas notes
Biogas Is a renewable source of energy that is made mostly of methane. The gas is formed when
Sulphuric Acid by The Contact Process
Sulphuric Acid Production The Contact Process Raw materials used Oxygen from air or water Sulphur dioxide from roasting
Production of Ethanol
Production of Ethanol Fermentation of sugar or maize meal solution Fermentation is a chemical reaction in which sugars
Human health and diseases – Diet
A balanced diet A balanced diet is one which contains adequate amounts of all the necessary energy and
Transpiration and translocation
Transpiration Transpiration is a method of transporting fluids (water and minerals) around and out of the plant. Water
Plant tissue and Transport in plants
Plant Tissue Structure of the Plant Part of the Leaf How is it adapted for photosynthesis and