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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 x106 (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?
a randomized controlled trial is run to evaluate the effectiveness of a new drug for asthma in children. a total of 250
1. Describe a boreal forest biome's climate, vegatation, and location.2. Explain the rock cycle. Be sure to include how minerals from one rock end up in a different rock.
Clarify as much as possible Aristotle's distinction between practical knowledge and theoretical knowledge. Does an understanding of this distinction help account for why persons who know certain habits or behaviors are harmful, still persist i..
of the three local wind types discussed in the textbook which do you think could be most easily harnessed for the
Which of the General Principles of the American Psychological Association relates to maximizing the positive outcomes and minimizing negative outcomes of work?
questionnbspimagine the u.s. as a nation that did not practice any types of religion. explain how this might affect
Describe in 1-2 paragraphs how the techniques used for oil and gas explorations have evolved throughout the last 1000 years.What are the most common elements of in hydrocarbon molecules?
question 1it is imperative to highlight that each of the seven major perspectives in psychology emphasizes different
The discussion of the technique should include a literature review on the evolution of the technique.
in a documented essay please address the following issues in your own words describe the difference between a mixture
select a product and a country for a global business venture. conduct a regional country and product analyses for your
What is the sociological imagination and why is it considered so important by many sociologists?
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