| 1 |
The amount of fresh water that available to mankind is approximately to the total amount of water. |
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| 2 |
Wet clay can be moded into any shape |
- A. Clay
- B. Sand
- C. Slit
- D. Fertile soil
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| 3 |
What are the main types of the soil? |
- A. Silt, Sand and rock
- B. Clay, humus and sand
- C. Sand, silt and clay
- D. silt, humus andclay
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| 4 |
What is important in the neaural measure. |
- A. Minerals
- B. The decayed matter
- C. sand
- D. Salts
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| 5 |
The outer layer of the Earth is called. |
- A. External core
- B. Mantle
- C. Crust
- D. Inner core
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| 6 |
Part of the earth where we live |
- A. Crust
- B. Mantle
- C. core
- D. External core
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| 7 |
Only plant of solar system whreconditions are conductive for the eistence of life that is. |
- A. Mercury
- B. Venus
- C. Earth
- D. Mars
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| 8 |
Sand soil is used for making. |
- A. Pottery
- B. Glass
- C. Farming
- D. Cultivation
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| 9 |
What % percentage of the earh is water |
- A. 70%
- B. 75%
- C. 72%
- D. 80%
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| 10 |
Which type of soil is good for growth of plants. |
- A. Sand
- B. Silt
- C. Clay
- D. Rock
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