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Matric part 1, Environmental Hazards Related to Fertilizers Use- Ch 8 Nutrition-9th Class Biology
Автор: ilmkidunya
Загружено: 2017-05-05
Просмотров: 28716
Описание:
ilmkidunya.com has brought to you Lecture of Usama Qamar on "9th Class Biology Chapter 8 Nutrition biology .
Topic 4 Importance of Fertilizers".
In this video following sub topics have been taught:
Eutrophication
Ammonia Gas
Nitrate leacing
For more videos of Usama Qamar visit https://www.ilmkidunya.com/study , https://www.instutor.com
This lecture is specially recorded for students of 9th class, 9th class from all Punjab Boards and is based on the current curriculum of study for Biology book.
All these lectures are conducted in Urdu/English medium to facilitate Pakistani students.
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