Not All Gases Are Greenhouse Gases

question 24

Multiple Choice

Not all gases are greenhouse gases.A greenhouse gas is a gas that

• A) participates in biogeochemical cycling in the biosphere.
• B) absorbs heat that radiates away from Earth's surface.
• C) does not participate in biogeochemical cycling in the biosphere.
• D) does not absorb heat that radiates away from Earth's surface.

---

Definitions:

Soaps

Salts of fatty acids, created through the saponification process, used primarily for cleaning.

Hydrophobic

Hydrophobic refers to substances that repel water, often characterized by nonpolarity and insolubility in water.

Soap

Salt of fatty acids that are primarily used for cleaning and lubrication, formed by the reaction between an alkali and a fat or oil.

Detergent

A chemical compound used to remove dirt, including surfactants that can break up and remove grease and oil.