Answer:
DNA changes caused by mutagens may harm cells and cause certain diseases, such as cancer. Examples of mutagens include radioactive substances, x-rays, ultraviolet radiation, and certain chemicals.
Explanation:
Answer:
we fight when it's right and nessary
Answer:
Smoking is the leading cause of preventable death. Worldwide, tobacco use causes more than 7 million deaths per year. If the pattern of smoking all over the globe doesn't change, more than 8 million people a year will die from diseases related to tobacco use by 2030.
Explanation:
I think you are looking for the answer of: digestion.
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