Topics in PHELen Academy Physical and Health Education questions for JSS1, 2nd Term Len Academy Physical and Health Education questions for JSS1, 2nd Term, Part 2 Posture and Postural Defects The game of Tennis with dimensions Domestic Accidents; Causes and Control of Domestic Accidents Air Pollution: Effects of Air Pollution, Solutions to Air Pollution Drug Abuse, Causes of Drug Abuse in Adolescents Basket - Rules of Basketball Careers in Physical and Health Education
Academic Questions in PHE
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Air pollution can be defined as the process of contaminating the atmosphere by the introduction of harmful and toxic substances into it. The substances that bring about air pollution are called air pollutants.
Air pollutants include smoke generated from the burning of petroleum products, coal, wood, rubber and plastics. Other forms of air pollutants are smoke from chimneys, industries and vehicles.
Carbon(II)oxide (CO) is a gaseous pollutant that could lead to suffocation and death in animals when Inhaled.
Sulphur(IV)oxide (SO2) and Nitrogen(IV)oxide (NO2) are also considered as air pollutants. These gases will contribute to the formation of acid rain which will in turn destroy the leaves of plant.
Certain normal processes like respiration, grassland fires and volcanic eruptions will also bring about air pollution.
Note: During respiration, animals breathe out carbon(IV)oxide into the atmosphere. (CO2) is an air pollutant.
Reports suggest that air pollution kills over 2 millions people annually.
Note: Air pollution is one of the three major types of pollution. The other 2 are:
Noise pollution, Light pollution and Radioactive pollution are other types of pollution.
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Amazing facts in PHE
Boxing is a lucrative game. It is the only sport whereby neither the spectators nor the participants know the score through out the entire game.
Image Credit: Bgclt
The holes or curved indents in a gulf ball are called dimples. A gulf ball has a total of 366 dimples.
The dimples on the gulf ball allows a thin layer of air to cling on the ball's surface; as a result, reducing drag and allowing the ball to travel a longer distance
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