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The Origin and ...

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  • Question 1
    1 / -0

    Choose the correct statement:

    Statement 1: A body of the size of one to three times that of mars collided into the earth.

    Statement 2: This portion of blasted material then continued to orbit the earth.

  • Question 2
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    Choose the correct statement:

    Statement 1: Modern scientists refer to the origin of life as a kind of physical reaction.

    Statement 2: This assemblage was such that they could duplicate themselves converting inanimate matter into living substance.

  • Question 3
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    Which one of the following is not related to the formation or modification of the present atmosphere?

  • Question 4
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    Choose the correct statement:

    Statement 1: The solar wind was most mild nearer the sun; so, it blew off lots of gas and dust from the terrestrial planets.

    Statement 2: The terrestrial planets are smaller and their lower gravity could not hold the escaping gases.

  • Question 5
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    Light travels at a speed of:

  • Question 6
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    Expansion of the universe means:

  • Question 7
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    Assertion (A): A galaxy contains stars, dust, and gas bound together by gravity.

    Reason (R): The Milky Way is a type of galaxy known as a barred spiral galaxy.

  • Question 8
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     Which one of the following has the longest duration?

  • Question 9
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    Firstly life on the earth was originated in:

  • Question 10
    1 / -0

    The oceans were formed within __________ from the formation of the earth.

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