Which of the Following Is the Most Important Disadvantage of a Liquid

question 11

Multiple Choice

Which of the following is the most important disadvantage of a liquid oxygen system?

• A) It is very heavy.
• B) It requires a power source.
• C) It requires filling every 6 months.
• D) It vents regardless of whether the flow is on or off.

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Definitions:

Chlorofluorocarbon

A compound made of chlorine, fluorine, and carbon, used in refrigeration and aerosols, which contributes to ozone layer depletion.

Atmospheric Gases

Gases found in the Earth's atmosphere, including nitrogen, oxygen, carbon dioxide, and trace gases, which are essential for life and influence the planet's climate.

Nitrogen-poor Crops

Crop plants that grow in soils with low nitrogen content, often requiring additional nitrogenous fertilizers for optimum growth.

Leaching

The process by which soluble materials are washed out from soil or wastes, often leading to contamination of waterways.