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Earn 100

Name the major tectonic plates boundaries on the Earth.
Important Questions on The Earth
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HARD
Match the following.
A | B |
1. Pesticides | a. first woman to go to space |
2. Weather satellites | b. new moon day |
3. Valentina Tereshkova | c. water pollution |
4. Solar eclipse | . meteorites |
5. Craters | e. atmospheric conditions |

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The most abundant element in the Earth's crust is :

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Which of the following elements is most abundant in the earth's crust?

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