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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Khufu (2589-2566 BC) <span>was the 4th Dynasty (2613-2498) pharaoh who <span>built the Great Pyramid of Giza</span>. Originally, the Great Pyramid stood 481 feet (146.6 m) tall. Although commonly called Cheops (and also Suphis) because of the late Greek influence on Egypt, the name Khufu is the original ancient Egyptian name for this king as demonstrated by his own cartouche. He reigned for approximately 24 years.</span>
<span>Although the Great pyramid has such fame, little is actually known about its builder, Khufu. Ironically, only a very small statue of 9 cm has been found depicting this historic ruler. This statue, pictured above and below, was not found in Giza near the pyramid, but was found to the south at the Temple of Osiris at Abydos, the ancient necropolis.</span>
Answer:
The answer is A. Stimulus generalization.
Explanation:
Stimulus generalization occurs when the conditioned response the a specific stimulis is also presented with other similar stimulus. In the passage, the stimulus was <u>orange</u> juice, but it generalised to <u>grape</u> juice.
In a famous experiment by behaviourist John B. Watson, a child who was conditioned to fear <u>a white rat</u> also showed fear when in front of similar objects, such as <u>a fur coat or a rabbit</u>.
Answer:
a. primary appraisal.
Explanation:
Primary appraisal: In psychology, the term "primary appraisal" is determined as one of the different types of appraisals and is described as an assessment related to the degree to which a particular event is considered as significant for an individual, involving either an opportunity or a threat. While experiencing primary appraisal, an individual experiences an "emotional response" to a specific situation.
In the question above, the given statement represents primary appraisal.
Answer:
November 22, 1963
Lyndon Baines Johnson inaugurated
Lyndon Baines Johnson is sworn in as the thirty-sixth President of the United States following the assassination of John F. Kennedy.
November 27, 1963
Johnson addresses Congress
Johnson addresses a joint session of Congress calling on legislators to fulfill Kennedy's legacy and pass civil rights and tax legislation.
Explanation:
