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Biology CBSE Live product
Class 8 (2025-26)
Our Home: Earth, a Unique Life-Sustaining Planet
Revision I - Our Home: Earth, a Unique Life-Sustaining Planet
3.
Conditions Necessary for Life on Earth
Question:
2
m.
Select the correct answer from the options given below.
1.
Which of the following factors make Earth suitable for supporting life?
suitable temperature range
protective atmosphere with oxygen and other gases
presence of liquid water
presence of only rocky surfaces
2.
Which functions of the atmosphere help support life on Earth?
provides oxygen and carbon dioxide
protects the Earth from harmful radiation
maintains a suitable temperature on Earth
completely prevents weather changes
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