The Study Skills Programme
Paragraph 1 There are no effective boundaries when it comes to pollutants . Studies have shown that toxic insecticides that have been banned in many countries are riding the wind from countries where they remain legal . Compounds such as DDT and toxaphene have been found in remote places like the Yukon and other Arctic regions .
This paragraph best supports the statement that a . Toxic insecticides such as DDT have not been banned throughout the world . b . More pollutants find their way into polar climates than they do into warmer areas . c . Studies have proven that many countries have ignored their own antipollution laws . d . DDT and toxaphene are the two most toxic insecticides in the world . e . Even a worldwide ban on toxic insecticides would not stop the spread of DDT pollution .
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