Answer:
A longitudinal study
Explanation:
A longitudinal study can be used to discover relationships between variables that are not related to various background variables. This observational research technique involves studying the same group of individuals over an extended period.
Playing with them or simply letting them rant and giving advice. Maybe helping out in some way
The correct answer is...
D) Displacement
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Mood swings. If you need a more in depth answer, mood swings are linked to emotional distress or mental disorders.
Answer:
i think smoking, exercise, and heart disease
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