<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
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Answer:
D). Decisions made by individual households and firms.
Explanation:
'Microeconomics' is described as the branch of economics that is associated with the study of individual units like a household, firm, etc. or solitary factors that contribute to affecting the allocation or distribution of the limited(scarce) resources through their specific actions or decisions.
As per the question, Microeconomics concentrates on the 'decisions made by the individual households and firms' as their decision-making influences the allotment of scarce resources. Thus, this branch of economics is focused on analyzing the individual factors that contribute to influencing resource allocation and produce the situations in which they can attain the desirable allotment. Thus, <u>option D</u> is the correct answer.
The primary goal of the Gulf War in 1991 was the liberate Kuwait from Iraqi forces.
Persian Gulf War, also known as Gulf War, was an international conflict that was fueled by Iraq's invasion of Kuwait on August 2, 1990.
Saddam Hussein, Iraq’s leader, invaded and occupied Kuwait with the seeking to acquire that nation’s large oil reserves.
Saddam Husein refused to withdraw from Kuwait.