CBSE Class 10
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Science
Natural Resources
Lesson 4 of 8 • 1 upvotes • 11:22mins
The lesson acquaints the learners with the concepts of food chain and food web. It also discusses the accumulation of harmful chemicals in food chains.
8 lessons • 1h 13m
Introduction
7:59mins
Adding Wastes to Environment
8:10mins
Ecosystem
8:38mins
Food Chains & Food Web
11:22mins
Human Activities Affecting Environment
9:04mins
Practice Questions (I)
10:02mins
Practice Questions (II)
9:45mins
HOTS (Practice Questions)
8:31mins