The economic term for this is "opportunity cost".
Opportunity cost is the cost of the options that one is not choosing. This means that if one has to choose between A and B, opportunity cost is the cost of "giving up B" when one chooses A.
The correct answer is "Emory Bogardus's research on social distance". Emory Bogardus designed a Social Distance Scale for measuring attitudes toward racial and ethnic groups. Bogardus believed that the more prejudiced is a person against a race or ethnic group the less he would like to interact with someone that belongs to that group. He applied this concept to make the Social Distance Scale.
what kind of question is that?
The correct answer among the choices given is option A. For a fusion reaction to happen, matter needs to be in the plasma state. For fusion reaction to happen special conditions should be met to overcome the energy required. One is that the temperature should be high to give atoms enough energy to overcome any resistances. It requires about 100 million Kelvin of temperature. At this point, hydrogen occurs as a plasma.
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Definición de nómada y sedentario: las personas nómadas viajan de un lugar a otro y no hacen asentamientos permanentes. El estilo de vida sedentario o, de lo contrario, el sedentarismo se puede definir como una sociedad o forma de vida en la que las personas se establecen permanentemente en un lugar.
Explanation:
