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Physics, 21.06.2019 19:10
Natural forces that can alter ecosystems include seasons and climate changes. t or f
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Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
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Physics, 22.06.2019 06:30
Which one of the following research methods can show cause and effect
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What is a car’s acceleration if it increases its speed from 5 m/s to 20 m/s in 3 s? a: 5 m/s2 b: 15...
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