SORU: konuşmayı en iyi tamamlayan ifadeyi bulunuz
Fahri:
- The use of chemicals poses serious hazards to
the environment. It’s often the main cause of
habitat destruction.
Aydın:
- ----
Fahri:
- Could you give me an example to support your
claim?
Aydın:
- Sure. Following World War II, chemicals were
used to control agricultural pests, which
increased productivity and farmers' income.
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Significant fish kills have resulted from the legal application of chemicals, such as the 1991 death of more than one million fish in the US. |
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Yes, I agree, but people have long been using a variety of chemicals in a wide range of areas for some benefits. |
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While some ecological changes due to heavy use of chemicals have been documented, others remain poorly researched and understood. |
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More and more chemicals have been pressed into use in industry, but pollution arising from industrial sources can now be effectively prevented. |
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When chemicals like insecticides reduce the insect populations that comprise the diet of birds, this leads to dramatic population reductions. |