Answer:
Lavender Extract.
Explanation:
Instead of using 1/2 teaspoon of vanilla extract, use 1/4 teaspoon of lavender extract, make sure you reduce it because lavender is more powerful than vanilla, but lavender has a great taste.
I am pretty sure astronomers use the parsec (pc) for angular measurement.
Answer:
IV. The temperature of the solution increases.
Explanation:
A case study
I did that already