Paragraf tamamlamaSoru #8264
The invention of synthetic fertilizers in the early twentieth century transformed world agriculture. Developed by Fritz Haber and Carl Bosch, the chemical synthesis of ammonia from atmospheric nitrogen allowed farmers to dramatically increase crop yields per hectare. ----. Agricultural runoff rich in nitrogen and phosphorus washes into rivers and oceans, feeding massive algal blooms that consume dissolved oxygen and create vast aquatic 'dead zones'.
Parçada boş bırakılan yere düşüncenin akışına göre aşağıdakilerden hangisi getirilmelidir?
Parçada boş bırakılan yere düşüncenin akışına göre aşağıdakilerden hangisi getirilmelidir?
- A)Most developing nations have completely outlawed the importation of synthetic crop nutrients
- B)Consequently, world grain production declined steadily throughout the entire twentieth century
- C)Traditional organic compost is universally recognized as far more hazardous to marine ecosystems
- D)Nitrogen is an inert gas that plays no role in the biological development of flowering plants
- E)However, this immense agricultural abundance has come at a severe ecological cost
Cevabı ve çözümü göster
Doğru cevap: E) However, this immense agricultural abundance has come at a severe ecological cost
Çözüm: İlk cümleler sentetik gübrenin verimi artırmasını överken, son cümle sulardaki ötrofikasyonu ve ölü bölgeleri (çevresel zararı) anlatır. Bu tezatlığı E seçeneğindeki "However, this immense abundance has come at a severe ecological cost" karşıtlığı sağlar.