One light-year (ly) is roughly _____

A) 1010 km
B) 1011 km
C) 1012 km
D) 1013 km


D

Physics & Space Science

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Good examples of a multicellular organisms which can exist under an enormous range of conditions are

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Addition by 1. Components: The figure shows four vectors, , and . Vectors  and  both have a magnitude of 7.0 cm, and

vectors and  both have a magnitude of 4.0 cm. Find the magnitude and direction of the sum of these four vectors. 

What will be an ideal response?

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Which of the following is an "exchange particle" for the electroweak force?

A) the photon B) the Z particle C) Both of the above. D) the W+ and W- E) All of the above.

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Total lunar eclipses tend to be darkest when the Moon's orbit carries it through the center of the _______________

Fill in the blank(s) with correct word

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