According to the Text, About _____ Percent of Schools Use

question 7

Multiple Choice

According to the text, about _____ percent of schools use random metal detectors.

• A)15
• B)10
• C)8
• D)22

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Definitions:

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.

Oxygen

A chemical element with symbol O and atomic number 8, essential for most forms of life to breathe.