June 25, 2022
Dhoodhi patsar track. 2 days walking track to explore Dhoodhi Patser lake.
Class 9th,subject biology, unit 7,topic photosynthesis, part 4
Class =9th Subject =biology Unit=9th Topic =transpiration Lecture #1
10th Chemistry. Metallurgical operation. Part 6
10th Chemistry. Metallurgical operation.part 4
10th Chemistry. Steps in metallurgical properties part 2
Chemistry 10th. Chemical industry part Three
1st Year chemistry oxidization part one
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