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One consequence was that families that had been separated could meet each other again. This was because after the construction of the Berlin Wall in 1961 the East and West of Berlin were separated by the ...
Diffusion is the passive (does not require energy input) movement of a substance down a concentration gradient from an area of high concentration to an a...
Ar of Cu = 64 (1 mark) Percentage of copper in CuO = 64/80 x100 (1 Mark) Percentage of copper in CuO = 80% (1 mark)
The role of a sperm cell is to fertilise an egg cell and pass on genetic material. The nucleus of the sperm cell contains the male genetic material/DNA. The head of the sperm cell contains many mitochondr...
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