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Science-Related Homework Help Health, Nutrition, and Food Sciences Topic started by: vankor on Feb 19, 2018



Title: Which of the following is TRUE with respect to cell phone use and radiation exposure?
Post by: vankor on Feb 19, 2018
Which of the following is TRUE with respect to cell phone use and radiation exposure?
 
  A) Radiation from cell phones cannot penetrate the head.
  B) Cell phone use releases radio-frequency electromagnetic radiation.
  C) Long-term studies have proven that cell phone use is entirely risk-free.
  D) The smaller the device, the greater the level of exposure.



What percentage of the radiation to which we are exposed is due to medical and dental procedures?
 
  A) 15 percent
  B) 25 percent
  C) 35 percent
  D) 45 percent



Within what range of radiation exposure do symptoms of sickness begin to appear?
 
  A) 50 to 100 rads
  B) 100 to 200 rads
  C) 200 to 300 rads
  D) 300 to 400 rads



The sun's high-frequency ultraviolet rays and medical and dental x-rays are examples of which type of radiation?
 
  A) Nonionizing
  B) Ionizing
  C) Alpha wave
  D) Microwave



The percentage of trash that could potentially be recycled in the United States is estimated to be as much as
 
  A) 60 percent.
  B) 70 percent.
  C) 80 percent.
  D) 90 percent.


Title: Which of the following is TRUE with respect to cell phone use and radiation exposure?
Post by: Turtle on Feb 19, 2018
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Title: Which of the following is TRUE with respect to cell phone use and radiation exposure?
Post by: vankor on Feb 19, 2018
Cheers!!


Title: Re: Which of the following is TRUE with respect to cell phone use and radiation exposure?
Post by: Ricardo Henriquez1 on Dec 14, 2021
thanks