The theory of dark energy tells us that
A) empty space is seething with a form of energy.
B) there is a force that behaves like an anti-gravity.
C) there is still much to learn about this universe.
D) All of the above.
Correct answer is D) All of the above.
Physics & Space Science
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Recycling computers is a money-making operation
What will be an ideal response?
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When radium-223 (Z = 88) decays to radon-119 (Z = 86), an alpha particle is emitted
Indicate whether the statement is true or false
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A nucleon has a mass of about
A) 1 amu. B) 1 atomic mass unit. C) both are the same. D) none of the above
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