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1) The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding. Please show your work when answering the following questions: a. Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source (assume an initial reading of 6300 R at a distance of 1 foot from the source)? b. Dr. Brown has a radioisotope source containing 1.2 x 106 (also written as 1.2E+06) atoms of Plutonium-238 in 1985, how many atoms will remain in 352 years? c. How many protons and neutrons are present in the plutonium-238 nucleus?
2) Briefly describe the adverse effects caused by exposure to radiation. Include some specific exposure levels associated with these significant health effects. Lastly, give some examples of measured radiation levels associated with the Three Mile Island incident in the U.S. and in the Chernobyl incident in the Soviet Union. Provide your reference source(s). (Wikipedia is not an accepted reference source.)
why is investing in mental health important to your role as a human service professional?which of the five
directions write at least 1000 word essay using apa style double-spaced to document your research. the grade depends
1) Thrasymachus' challenge to morality. a) Give a presentation of Thrasymachus' view about justice. Then (b) present one of Socrates' arguments against it, choosing the argument that seems to you more persuasive.
q1. identify a milestone in the history of quality improvement in the first line of your posting.q2. analyze how this
Describe some of the emotional, relationship and financial implications of the chronic illness on the person's relationship with family members.
Starhawk discusses how protection of the environment can be based on the sacredness of the earth as well as the fact that human life depends on ecosystems to survive.
1.how could a point-of-sale system be used to simplify employee training of kitchen staff? what about the accounting
write 400-500 words that respond to the following questions with your thoughts ideas and comments. be substantive and
why is it said that electronic commerce is a catalyst of fundamental changes in organizations?search the ashford online
Describe your ethical perspective, or worldview, as it pertains to your relationship with environment. How do you think your culture has influenced your worldview? How do you think your personal experience has influenced it? Do you feel that you fit ..
One 1/2 page space only, in graphic form (picture), show from an aerodynamic point of view why an aircraft is flying and staying up in the air? I assume you all have traveled by air and perhaps have asked yourself the question how come that this imme..
each response should be at least 200 words in length. it is required to use at least your textbook as source material
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