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Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Physics, 22.06.2019 18:00
What structural formula represents 4 electrons shared between two atoms?
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Physics, 23.06.2019 07:40
The researcher who studied the ability of cats to learn to escape from puzzle boxes was
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Physics, 23.06.2019 11:30
Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.
Answers: 1
A 6 cm object is 8 cm from a convex lens that has a focal length of 2.7 cm. The image is 4 cm from t...
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