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Our Environment — BIOLOGY STD 6 — Question

ICSE BoardEnglish MediumSTD 6BIOLOGYOur Environment3 Marks
Question
What factors make earth a habitable planet ?
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Answer

Factors making earth a habitable planet are :
  • Optimum distance from the sun-which makes the earth neither too hot nor too cold.
  • Presence of atmosphere – Which has essential gases like oxygen, carbon dioxide, nitrogen, etc.
  • Presence of water.
  • Gravitational force – Which holds atmosphere and water in place.
  • Presence of minerals – Which are required for the growth and sustenance of plant and animal life.

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