Biogeochemical Cycle
Lesson 13 of 15 • 105 upvotes • 10:57 mins
Siva Prasad
Nitrogen cycle, carbon cycle, oxygen cycle, water cycle , ozone
Class 9 NCERT Science - Summary
15 lessons • 2h 36m
1
Matter around us
11:48 mins
2
Mixtures
13:22 mins
3
Atoms and Molecules
10:06 mins
4
Model of an Atom and Other Concepts
10:50 mins
5
Cell and its Components
12:33 mins
6
Tissues
11:42 mins
7
Classification of Organisms: Part 1
9:39 mins
8
Classification of Organisms: Part 2
7:45 mins
9
Classification of Organisms: Part 3
10:20 mins
10
Classification of Organisms: Part 4
7:38 mins
11
Laws of Motion and Energy
8:22 mins
12
Human Ear and Sound
10:07 mins
13
Biogeochemical Cycle
10:57 mins
14
Improving Crop Yield
11:01 mins
15
Diseases, Immune System and Vaccination
10:38 mins
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