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प्रश्न
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
रिक्त स्थान भरें
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उत्तर
78% of air: Does not support combustion:: 21% of air: Supports combustion
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अध्याय 4: Air - Evaluation [पृष्ठ ५६]
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संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gase :
neon
What is climate?
Briefly explain main layers of the atmosphere.
Describe the major components of air pollution.
Why is air called a mixture? Give five facts in support of your answer.
Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.
Tick the object which gives out water vapour.
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What is moving air called?
Marked temperature changes in the aquatic environment can affect
