Which process is most responsible for the increase in early earths atmospheric oxygen levels
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Physics, 29.09.2019 12:00 jdmXdude3140
Which process is most responsible for the increase in early earths atmospheric oxygen levels
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The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
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Physics, 22.06.2019 10:30
J. j. thomsonβs experiment disproved the theory that an atom
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Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25Β° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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Physics, 22.06.2019 14:30
A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
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