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Which term refers to the movement of materials through a cell membrane without using the cells energy
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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
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Chemistry, 22.06.2019 17:30
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
Answers: 3
Which term refers to the movement of materials through a cell membrane without using the cells energ...
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