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๐ฌ Think about it
Pull one card from a house of cards and it all tumbles. Earth is balanced like that. Cut one forest, and rainfall, soil and animals all feel it. Let us see why balance keeps our planet alive.
Why is balance important for life on Earth?
- Earth is a vast living system of land, air, water and life.
- They all support and affect one another.
- A small change, like cutting a forest, affects rainfall, soil and air.
- So life survives because everything works together in balance.
Example:
Cutting down a forest can change rainfall, harm soil and leave animals homeless — one change touches everything.
Important Points
- Earth is a living system where everything is connected.
- A small change in one part affects many others.
- Balance keeps the planet habitable.
โ Test Yourself
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Why does Earth stay habitable?
View Answer
Because everything works together in balance. -
What can one small change do?
View Answer
It can affect rainfall, soil, air quality and animals. -
Give an example of a change that upsets balance.
View Answer
Cutting down a forest. -
What does Earth's system include?
View Answer
Land, air, water and living things. -
Why should we protect air, water and soil?
View Answer
Because keeping them clean is essential for keeping Earth healthy.
Important Definitions
- Balance of nature — the way land, air, water and life support each other to keep Earth habitable.
๐ NCERT Question 2 — Which of these is
Which of these is an example of geodiversity? (MCQ)
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๐ NCERT Question 6 — A city has recently
A city cut down a large forest for roads and buildings. Discuss the effects on local climate, biodiversity and water.
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