Answer:
b) electrons jump onto or off the neutral ball when a charged object comes close
Explanation:
What causes a pithball to move is when "electrons jump onto or off the neutral ball when a charged object comes close".
The pithball electroscope is actually used to test if a body is charged or not. When a charged body is brought near the pithball, the ball moves. The movement of that charged body reveal that there are electrons it is carrying.
The pithball can actually be charged. It is charged by touching a charged object to it. This leads to some of the charges on the surface of the charged object moving to the surface of the ball. The pith-ball electroscope was invented by John Canton, a British schoolmaster and physicist in 1754.
A human service professional should conduct delegations of authority to assess gaps between current and desired conditions. Hence, option D is correct.
<h3>
What is delegation of authority?</h3>
When division of labour and responsibility to make decisions is given to an individual who is supposed to report to a leader or manager, it is known as delegation of authority.
In simple words, power and authority are divided among the subordinates that are working under a leader or manager. It is a kind of sub-division or sub-allocation to subordinates for achieving effective results.
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Thus, to assess gaps between current conditions and desired conditions, a human service professional should conduct a delegation of authority. Option D is correct.
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Answer:
This is an example of Centration.
Explanation:
Centration is a term used in developmental psychology, specifically when using Piaget's theory of cognitive development. According to this theory children go through different stages of cognitive development and these are linked to the child's age. From ages 4 to 7, children are in the preoperational stage, and centration is a process that presents itself in this stage. It is the children's tendency to focus only on one salient aspect of a problem, situation or object. One of the most common aspects young children who are in this stage of cognitive development focus on is on the space an object occupies, for example, size or length.
In this case Eliza doesn't focus on the number of buttons in each row. Even though she knows that 10 is more than 8, when put in two different rows, she only focuses on the length of both rows, and because the one with 8 buttons is longer, she will inevitably choose that one.
The chi-square distributions are skewed in general, and they are skewed to the right, or positively skewed. The chi-square distribution curve is right-skewed, and its shape is determined by the degrees of freedom.
<h3>What is degree of freedom?</h3>
The maximum number of logically independent values, or values with the ability to fluctuate, in the data sample is referred to as degrees of freedom.
Degrees of freedom are frequently used in statistics to describe many types of hypothesis testing, such as the chi-square test.
Thus, chi-square distributions is right-skewed.
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