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Birth rate is the number of births per 1000
Firstly, you would expand the brackets on the right hand side of the equation, resulting in the equation looking like:4x - 20 = 18Then you would isolate the x, so would add 20 to 18:4x = 38Then, divide bo...
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Eukaryotic cells have membrane-bound organelles such as the nucleus, the endoplasmic reticulum and the mitochondria which are not found in the prokaryotic cells. Examples of eukaryotic cells include anima...
Risk factor - factors that increase the likelihood of developing a diseaseThey may be intrinsic or extrinsic and include factors like age, sex and smoking - for cancerChemicals in cigarettes (including ta...
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