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I personally think they should reduce it from 6 feet to 3 feet because: Normally we stay 6 feet apart in case someone sneezes or coughs,(In schools also, not just in public), but there is no need to stay that far away; 3 to 4 feet is enough. Plus, in schools, friends want to socialize more, but that is not easily done when you are 6 feet apart. And, you do get tested a lot if you go to school, so if someone has virus symtoms, they probly will stay home and not go to school.
Hope this helps, and have a good day.
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Please, add some info about topics and recommended topics list
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According to ncbi the most abundant mineral in the human body makes up about 1.5 to 2% of total body weight, I think that answers your question
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Hair
The losing of hair quickly and in clumps occurs with radiation exposure at 200 rems or higher.
Brain
Since brain cells do not reproduce, they won't be damaged directly unless the exposure is 5,000 rems or greater. Like the heart, radiation kills nerve cells and small blood vessels, and can cause seizures and immediate death.
Thyroid
Certain body parts are more affected by exposure to different types of radiation sources than others. The thyroid gland is susceptible to radioactive iodine. In sufficient amounts, radioactive iodine can destroy all or part of the thyroid. Taking potassium iodide can reduce the effects of exposure.
Blood System
When a person is exposed to around 100 rems, the blood's lymphocyte cell count will be reduced, leaving the victim more susceptible to infection. This is often referred to as mild radiation sickness. Early symptoms of radiation sickness mimic those of flu and may go unnoticed unless a blood count is done.According to data from Hiroshima and Nagasaki, symptoms may persist for up to 10 years and may also have an increased long-term risk for leukemia and lymphoma. For more information, visit Radiation Effects Research Foundation.
Reproductive Tract
Because reproductive tract cells divide rapidly, these areas of the body can be damaged at rem levels as low as 200. Long-term, some radiation sickness victims will become sterile.
