A sample of employees at a local community services center participated in a study on the effectiveness of intervention training. The sample was divided into two groups. One group received training on intervention techniques during a family crisis and the other group did not. The data in the histogram are satisfaction scores from families that were assisted by the trained employees. On what scale is the IV measured?

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

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step-by-step explanation:

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