Organisms must have variation within a population in order for natural selection to occur.
Whi...
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Physics, 22.06.2019 05:30
Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Physics, 22.06.2019 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
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Physics, 22.06.2019 08:30
Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
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Mathematics, 20.11.2020 16:00
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