Physics, 26.05.2020 15:57 Josephcastillo5246
Ocean water has a salinity of 35 parts per thousand. Fresh water has a salinity of less than 0.5 parts per thousand. What can you conclude from this information? A. Ocean water is rich in salt minerals. B. The salinity of ocean water varies considerably. C. Fresh water contains no salt at all. D. Most of the salt in ocean water is magnesium.
Answers: 2
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Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
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Ocean water has a salinity of 35 parts per thousand. Fresh water has a salinity of less than 0.5 par...
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