Bone, which is made of collagen, which is strenghtened by calcium phosphate
A carcinogen is defined as an agent (e.g. chemical) that can increase the risk of cancer.
Exposure to the carcinogens present in tobacco smoke increases the risk of developing cancer.
It causes lung cancer.
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Armed victims are twice as likely to be killed by an assailant as unarmed victims. Because an armed person is most likely to be more dangerous than an armed person. If engaged in an action with an armed person they are most likely to be killed because they tend to fight back rather than surrender to the authorities.
