Science

Lesson 10: Introduction to Planet Earth Unit Test Science 6 B,
i have my answers i need someone to check them please!!
and thanks you. connexus academy answers only pls thanks.

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  1. Please post no more than five questions and YOUR answers. We'll be glad to check them for you.

  2. 1. which of earths spheres contains most of its mass
    A. atmosphere
    B.Hydrosphere
    C. Geosphere <----
    D.Biosphere

    2. Erosion and weathering are examples of which type of forces
    A. constructive forces <---- i said this one
    B. destructive forces
    C. Gravitational forces
    D. Inertia-related forces

    3.Which of the following statements about the composition of the earths atmosphere is true?
    A. Earths atmosphere contains 78 percent of water vapor, which essential
    to life.
    B. Earths atmosphere contains 21 percent oxygen. <-----
    C. Earths atmosphere contains carbon dioxide which all life forms require.
    D.Earths atmosphere allows radiation from the sun to pass though it and
    warm the earths surface.
    4.The strength of the force of gravity between two objects is determined
    by which of the following factors. select all that apply.

    A.The mass of objects <-----
    B.The distance between the objects
    C. The volumes of objects <----
    D. The the surface area of objects

    5. The earth and moon are kept in there respective orbits due to the influence of
    A. inertia
    B. gravtiy
    C. Both inertia and gravity <----
    D. Neither inertia and gravity

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  3. Can someone please give me the answer to lesson10 science 6 A Introduction to planet earth unit test I have a C in this class so someone please help

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  4. Some of them are wrong but you will learn from it.

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