1. Humidity is a measure of the amount of water vapor in the atmosphere. Why is humidity always very low inside your kitchen freezer? 2. Why is perfume typically applied behind the ear rather than on...

1. Humidity is a measure of the amount of water vapor in the atmosphere. Why is humidity always very low inside your kitchen freezer?

2. Why is perfume typically applied behind the ear rather than on the ear?

3. Red Kool-aid crystals are added to a still glass of water. The crystals sink to the bottom. Twenty-four hours later the entire solution is red even though no one stirred the water. Explain.