Americium-241 undergoes fission to produce three neutrons per fission event. a change occurred that caused the rate of fission to increase. what will be effective at achieving a critial mass is "Remove a deflective shield surrounding the sample."Option A. This is further explained below.
<h3>What is
Americium-241 ?</h3>
Generally, Americium-241 is simply defined as a radioactive isotope. Chemical symbol Am stands for a man-made radioactive metal that is solid at room temperature.
In conclusion, The fission of Americium-241 produces three neutrons each time. The rate of fission increased as a result of a modification. removing a deflective barrier around the sample will be beneficial in reaching a critial mass.
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It is called the deep background. It is a way of reporters keeping it as a secret and letting the report as a confidential in respect of the people who are involve with it. It is a way of not having some facts to be included on their report when it is a deep backrgound in respect and to show their view to the subject matter.
Choice B because they slaved for life but the children were born into slavery if they were slaves. Hope it helped
Answer:
The slave trade played in helping Europeans take control of much of Africa in the 1800s when The slave trade enriched the Europeans at this time.
Explanation: