When Werner and Colleagues (2002)placed Signs on a Campus with a Two-Sided

question 82

Multiple Choice

When Werner and colleagues (2002) placed signs on a campus with a two-sided message that not only stated the importance of recycling but also acknowledged the inconvenience of it,recycling:

• A)increased to 80%.
• B)increased to 25%.
• C)decreased by 40%.
• D)decreased by 90%.

---

Definitions:

Simple Squamous Epithelium

A single layer of flat, scale-like cells that line organs and body cavities, allowing for easy diffusion or filtration due to their thinness.

Alveoli

Tiny air sacs within the lungs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to be expelled during respiration.

Blood

A body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to cells and transports metabolic waste products away.

Alveoli

Tiny air sacs in the lungs where gas exchange between the air and blood takes place.