As the Air Cools During the Night, the Relative Humidity

question 27

Essay

As the air cools during the night, the relative humidity increases. When the relative humidity reaches about 75 percent, condensation may begin on the most active hygroscopic nuclei, producing a ____________________ haze .

---

Definitions:

International Treaties

Formal agreements between countries or sovereign states that are recognized by international law, covering a wide range of subjects such as human rights, trade, and environmental protection.

Biological Diversity

The variability among living organisms from all sources including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; essentially another term for biodiversity.

Endangered Species

Species that are at risk of extinction due to a rapid decline in population or habitat, often caused by human activities.