Cancer is caused by accumulated damage to genes. Such changes may be due to chance or to exposure to a cancer causing substance. The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke.
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💞baby💞 answered this
Cancer is caused by accumulated damage genes.
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Jashanpreet Kaur answered this
Skin Cancer is caused by the exposer of skin cells to UV rays if melanin is less in our body.
BY THE WAY CANCER IS ALSO CAUSED BY THE INCREASE IN CANCER CELLS ..
