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Which one of the following is a metallic conductor at room temperature but a superconductor at 18 K?
Life Stress Theory
A psychological theory that examines how stress from life events affects an individual's mental and physical health.
Self-blame Theory
A psychological concept proposing that individuals may attribute personal failures or negative events to their own actions or shortcomings, potentially leading to feelings of guilt and inadequacy.
Artifact Theory
A hypothesis that suggests observed differences in certain measurements or outcomes are not due to the actual difference in what is being measured but to the method of measurement.
Lack-of-control Theory
A theory suggesting that the inability to exert control over one's environment or self can lead to psychological disorders.
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