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प्रश्न
When water is heated, we see bubbles rising up. Why?
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उत्तर
Water has a lot of air dissolved on it. This is what allows breathing to fishes and other aquatic beings. The solubility of gases decreases when the temperature is raised, and that is why the dissolved air bubbles out from the water.
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संबंधित प्रश्न
Fill in the blank
The layer of air around the earth is called the ________.
Choose the correct answer.
This gas protects us from the harmful ultraviolet radiation.
We need to understand that global warming, climate change, acid rain, and ozone depletion are all happening because of our dependence on fossil fuels and CFC-based technologies. Therefore, the need of the hour is to reduce our dependence on them.
What can you do in this regard?
State any three characteristics of the stratosphere
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
What is responsible for causing a hole in the ozone layer?
The ______ layer protects us from the harmful UV rays coming from the sun.
The part of atmosphere which is consisted of variable gases with uneven composition is called ______.
Why is Heterosphere called so?
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
