Naturalized citizen is a citizen who, even though was not borned in the country, was given the status of citizenship after meeting the requirements needed to become a citizen.
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Answer: skin cancer
Explanation: Carcinogens may be defined as substances which are capable of inducing the development of cancerous cells in living tissue. The students described in the scenario, were of the opinion that subjecting frogs in a smoke filled environment fro a prolonged period will result in the development of lung cancer in the frog. The hypothesis might have stemmed from the thought of the risk in which smokers are very liable of being victims of cancerous cells. However, exposing frogs to such will not result in them developing lung cancer. However, carcinogens such as asbestos, vinyl chloride, benzene, nickel and so one have large tendency of resulting in skin cancer when exposed to air.
Adding on to what the person above me said, cigarettes can also be very addictive due to the nicotine. Once you start smoking, it can be extremely difficult to stop.
To try to keep their monopoly on silk fabrics.
