Q: Vinegar is a solution of which acid? Choices: - boric - magnesium - crystalline - acetic A:
acetic

Q: When warm air rises up to the tropopause, where does it flow? Choices: - east or north - west or south - east or west - north or south A:
north or south

Q: Q: The upper portion of the septum is formed by the perpendicular plate of which bone? Choices: - concomitant bone - duodenum bone - colossal bone - ethmoid bone A:
A: ethmoid bone

Question: Q: Damages and deaths are directly affected by what in an earthquake? Choices: - structures - shaking - natural - construction A:
Answer: construction

*Question*
Q: What is defined as the change of water from its liquid phase to its gaseous phase? Choices: - absorption - condensation - transpiration - evaporation A:
**Answer**
evaporation

(Question)
Q: Radioactive isotopes are characterized by an unstable what? Choices: - shell - proton - electrons - nuclei A:
(Answer)
nuclei