Human influences on the environment
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More Lessons for Biology
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Videos and experiments that are suitable for Biology. Gas Pollution, Greenhouse Effect, Greenhouse gases, Enhanced Greenhouse effect.
4.11 Gas Pollution
Understand the biological consequences of pollution of air by sulfur dioxide and by carbon monoxide
Recall that water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases
Understand how human activities contribute to greenhouse gases
Understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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