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Which Statement Is True

question 64

Multiple Choice

Which statement is true?


Definitions:

Butane

A hydrocarbon gas that is a constituent of natural gas and petroleum, used as fuel, in cigarette lighters, and as a propellant in aerosol sprays.

Biogas Digester

A device or structure that breaks down organic matter anaerobically (without oxygen) to produce biogas, a renewable energy source, and digestate, a nutrient-rich fertilizer.

Production Characteristics

Attributes or features that define the process and output of manufacturing or production activities.

Efficient

The ability to achieve a desired result without wasted energy or resource.

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