The therapy is called Radiation Therapy. Its a treatment that kills abnormal cells or cancel cells by using radioactive ray such as gamma rays use it in killing the cancer cells in the body without harming any good cells that support the immune system of the body. This therapy also use any king of radioactive material in the treatment by placing it in the area that is near the cancer cells or a tumor.
Long-term exposure to polluted air<span> can have permanent </span>health<span> effects such as: Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of </span>diseases<span> such as asthma, bronchitis, emphysema, and possibly cancer.</span>
I believe that is TRUE. I apologize if that is wrong, but i hope I helped!
Answer:To be a polygon, a flat, closed shape must use only line segments to create its sides. So a circle or any shape that has a curve is not a polygon.
Explanation:
