Question

Chapter14- Sources of energy notes/main points

Answer 1

Answer:

Sources of Energy Current class 10 Notes Science

1. Fossil Fuels :Fuels developed from the fossils. ...

2. Solar Energy: The energy emitted by the sun in form of heat and light is called solar energy.

3. Solar Energy Devices: A large number of devices that utilize solar energy directly like :

4. Box Type Solar Cooker.

Explanation:

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Answer 2

Answer:

1. Land use pattern helps in development planning.
2. Distribution of resources in highly uneven.
3. Natural Resources are being over utilized.
4. Over utilization causes many problems such as depletion of resources,ecological crises etc.
5. If natural the sources are not conserved and not used judicially adverse consequences will be there.
6. Land as a resource- It is a resource because we utilise land in many ways to satisfy our needs.
7. Land is the most important resource because our survival depends upon it.
8. Conservation of resources is very important and it refers to the sustainable and judicious use of resources.

Explanation:

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