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erika28

  • 3 years ago

Why do scientists believe that dark matter exists even though it cannot be seen? a. We can observe its gravitational effects. b. It is observed to emit light. c. We can measure its mass

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  1. shivamsinha
    • 3 years ago
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    wrong place dear!!

  2. shivamsinha
    • 3 years ago
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    post specific questions in specific group

  3. erika28
    • 3 years ago
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    oopps my my bad didnt even notice xD

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