Barbara Is a Research Biologist for Green Carpet Lawns

question 33

Multiple Choice

Barbara is a research biologist for Green Carpet Lawns. She is studying the effects of fertilizer type, temperature at time of application, and water treatment after application. She has five fertilizer types, four temperature zones, and three water treatments to test. Determine the number of different lawn plots she needs in order to test each fertilizer type, temperature range, and water treatment configuration.

• A)12
• B)3
• C)24
• D)4
• E)60

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Definitions:

Heart Disease

A range of conditions affecting the heart, including coronary artery disease, heart rhythm problems, and heart defects.

Emphysema

A chronic lung disease characterized by overdistension of the alveolar sacs and inability to exchange oxygen and carbon dioxide.

Cyanosis

A bluish discoloration of the skin and mucous membranes due to insufficient oxygen in the blood.

Barrel Chest

A chest shape characterized by an increased front-to-back diameter, often associated with emphysema or chronic obstructive pulmonary disease (COPD).