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Class 4Environmental StudiesFrom the Window

Trees and Our Lives

Trees give us: Oxygen (one tree = oxygen for 2 people for a year), Food (fruits, nuts), Medicine (neem, tulsi, ashwagandha), Timber (furniture, buildings, paper), Shade and coolness (cities with trees are 3-5°C cooler!), Biodiversity (one oak tree supports 500+ species). Deforestation: India lost significant forest cover. Reforestation: India planted 66 million trees in 12 hours (2016 record). Plant a tree today!

How to study this topic

  1. Read the core explanation once without solving.
  2. Open the formula links below and connect them with the topic meaning.
  3. Practice the 10 example pages one by one.
  4. Use the AI ask page for text, voice or image-based doubts.

10 example pages

Concept check 1
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on concept check and show the working clearly.
Definition to application 2
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on definition to application and show the working clearly.
Formula warm-up 3
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on formula warm-up and show the working clearly.
Reasoning practice 4
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on reasoning practice and show the working clearly.
Board-style short answer 5
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on board-style short answer and show the working clearly.
Mistake correction 6
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on mistake correction and show the working clearly.
Visual interpretation 7
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on visual interpretation and show the working clearly.
Applied word problem 8
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on applied word problem and show the working clearly.
Revision challenge 9
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on revision challenge and show the working clearly.
Exam recap 10
For Class 4 Environmental Studies, explain or solve a trees and our lives question from the chapter "From the Window". Focus on exam recap and show the working clearly.