An Elementary School Teacher Is Interested in the Relation Between

question 65

Multiple Choice

An elementary school teacher is interested in the relation between sugar consumption and activity level in preschool children.The teacher gives 30 preschool children from Preppy Preschool Playland 0 milligrams, 20 milligrams, or 50 milligrams of sucrose (sugar) in a breakfast drink.She then observes their behavior for 30 minutes during their morning outdoor play period and codes their activity level.In this example, the dependent variable is:

• A) 30 preschool children.
• B) the amount of sucrose.
• C) all preschool children.
• D) activity level.

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Definitions:

Depleted Water

Water resources that have been significantly used up or reduced, commonly due to human consumption, pollution, or climate change.

Algae Blooms

Rapid increase in the population of algae in aquatic ecosystems, often due to excess nutrients, which can deplete oxygen and harm aquatic life.

Inorganic Plant Nutrients

Minerals required by plants for growth that do not contain carbon, including elements like nitrogen, phosphorus, and potassium.

Organic Wastes

Biodegradable waste that comes from plants or animals, often used for composting or as a renewable energy source through biomass conversion.