To determine the sample size, the researcher employed the Roasoft formula (www.raosoft.com), using a reference proportion of 50%, a 95% confidence interval, and a 5% margin of error
to nicotine odourless,colourless,poisonous gas found in tobacco smoke and car exhaust the legal age at which tobacco products can be purchased a type of cancer caused mainly by cigarette smoking sticky brown substance found in tobacco smoke organs found in the chest that can be severely damaged by cigarette smoke a regular smoker who stops smoking will experience
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A: A cigarette rolling machine works by using a set of rollers to evenly distribute the tobacco into the paper
Some say that any amount of smoking causes damage, while others argue that it takes several years and high levels of consumption to make the harm visible
