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प्रश्न
उत्तर
The cold air that blows from the land towards the sea during the night, is called a land breeze The cold air that blows from the sea towards the land during the day is known as the sea breeze. These breezes are examples of a natural convection current.
Natural convection currents
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संबंधित प्रश्न
Explain the following:
In cold regions in winter, the rocks crack due to anomalous expansion of water.
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
Explain the following
Fishes survive in ponds even when the atmospheric temperature is well below 0°C.
How do fishes survive in frozen lakes?
Explain, why are soft drink bottles not completely filled?
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Observe the given graph and answer the following questions:
- Name the process represented in the figure.
- At what temperature does this process take place?
Write scientific reason.
Placing a plastic bottle filled with water in the freezing compartment in the freezer can cause the bottle to explode.
Observe the following diagram and write the answers to the questions given below.
- Which process does the graph represent?
- What is the range of temperature responsible for the behaviour?
