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State whether the following is true or false.
The USA has many industries.
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With the help of the Internet, find out the names of three companies from the following industries :
- Iron and steel
- Textile
- Cement
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This is a picture of an industry.
- What type of industry is this?
- Can you give two features of this industry?

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Fill in the blank.
_________ is necessary material for making machines.
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State whether the following is true or false.
Ethanol can be produced from cotton.
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Describe the process that leads to exfoliation.
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Discuss the ways by which you can conserve energy, especially petroleum and electricity, in your homes and school. What changes do you need to make in your daily routine to save these precious resources?
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Write a note on sugar producing countries.
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Trace your journey: Imagine you are a cotton boll. Write about your journey from the field to somebody’s wardrobe write about all the stages you had to pass through to become a garment.
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Hydroelectricity is considered a good energy option for the future. Why?
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Electricity is very important for all of us. We need it for our homes, offices, industries, and agriculture.
Make a list of five different ways in which you can save electricity, for instance, switching off fans, ACs, light at home, and in school when these things are not required.
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Take some time out to visit a handicrafts shop nearby. Make a note of the following there :
- What are the items sold in the shop?
- How are these products manufactured?
- Where have they come from?
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Fill in the blank
Geothermal energy is the heat of the _______.
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Match the following.
| Column A | Column B |
| 1. Solar energy | (i) Ganga |
| 2. Hydroelectricity | (ii) Windmill |
| 3. Coal | (iii) Sun |
| 4. Wind | (iv) Non-renewable |
| 5. Farakka barrage | (v) Water |
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Why doesn’t Europe have a cold climate more similar to that of Alaska and northern Canada though it lies on the same latitudes?
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Choose the correct answer.
Photovoltaic cells use the energy of
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Give geographical reason
Europe is rightly called the ‘peninsula of peninsulas’.
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Give geographical reason
Belgium, the Netherlands, and Luxembourg are called the Low countries.
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Give geographical reason
The Central European Plains are densely populated.
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