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Air Pollution
Air pollution is one of the major problems created by modern man. It is estimated that about 100 million tons of waste are poured into our atmosphere each year. Wastes in the form of smoke from industry, power plants, automobiles and homes; and also due to burning of fossil fuels, spread pollution into our atmosphere. Aircrafts also release large amounts of burnt or unbumt fuel into the air. You may have seen a long trail of smoke left behind by a climbing jetliner.
The burning of coal, wood, diesel oil, kerosene, petrol etc. produces the following five categories of pollutants:
i) Carbon monoxide
ii) Hydrocarbons
iii) Particulates
Why is there more exchangeable calcium than potassium on clay/humus colloid? Calcium is usually abundant except in acid soils which occur in humid area due to excessive leaching.
what is nutrition?
What are decomposers in a temperate deciduous forest? In the Deciduous Forest, many decomposers that are living there contain fungi, bacteria, and yes, even worms.
Objectives After studying this unit, you should be able to: 1. explain the need for reporting lab accidents, 2. state the accident reporting procedure, 3. list the
Explain the Chronic Glomerulonephritis The repeated occurrence of acute glomerulonephritis, persisting proteinuria, hypertension and chronic renal failure may damage more and m
Explain the Igneous rocks form? Igneous rocks form from the crystallization of magma. There are two main kinds of igneous rocks: intrusive and extrusive Molten rock within t
What a molecule is, and the difference between molecules and compounds? A molecule is made up of two or more atoms combined chemically. The atoms can be of the same element, as
WIRING A PLUG TO AN APPLIANCE In the previous activity, you worked out the operating current of different electrical equipment/appliances and suggested proper fuse and plug
types of neuron according to function
How are electrons arranged around the nucleus? Electrons are arranged into very specific rings known as orbitals. Electron orbitals, sometimes referred to as electron shells, c
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