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Question Practice

What is a significant role of oxygen in Earth's atmosphere?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 8
Science
Curiosity
Our Home: Earth, a Unique Life...
Question Bank

What is a significant role of ...

Single Answer MCQ
Q-00137883

What is a significant role of oxygen in Earth's atmosphere?

1

It helps in photosynthesis directly

2

It is used in geological formations

3

It converts to ozone, which protects life

4

It increases gravity on Earth

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