Mass killings and genocide
Halite and sulfur are the two minerals that you can taste and identify. Halite has a salty taste on it and Sulfur has a rotten egg taste. I would rather taste Halite more than Sulfur.
Answer:
A. statically neutral air
Explanation:
A statically neutral air will not to rise on it's own given an initial upward displacement or sink bank to it's original level