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Physics, 16.10.2019 22:00 costel8532
Early humans used rocks as tools to make other things as well as to construct buildings. why was it better for them to use rocks than another material such as wood?
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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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We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation
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Physics, 22.06.2019 07:40, Alex9089435028
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Early humans used rocks as tools to make other things as well as to construct buildings. why was it...
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