Answer:
it can either be the first or the third one...
Explanation:
problem and solution essay-->Sara studied the reason for discarding the painting at that time.
descriptive -->Finding the watering hole was the most important part of the expedition studying the animal’s habitat.
cause ------>The team decided to challenge the call so that they might still be able to make the playoffs.
compare -->There is an assumption that democracy is failing in eastern Europe. On the contrary, it is far healthier there than in parts of western Europe.
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Persona non grata from Latin- an unwelcome person.
This term is usually used in diplomacy, when due to some criminal/political actions a person is prohibited to enter a country. For example if a member of diplomatic mission is caught carrying out espionage missions he can be labeled "persona non grata", forced to leave a country and cannot return.
Persona non grata can also be used in less formal situation, when someone is not welcome in society/community due to his behavior.