People with Home Septic Systems Often Flush Several Cups of a Powdered

question 33

Multiple Choice

People with home septic systems often flush several cups of a powdered substance down their toilets every month or two to keep their systems healthy.These powdered substances most likely contain

• A)bacteria and enzymes that help break down wastes.
• B)chlorine and other disinfectants that help to prevent soil contamination.
• C)chemicals that bind to heavy metals to keep them from leaching into the soil.
• D)acids that help to clean the insides of the walls of the pipes and septic tank.

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Definitions:

Functions

The natural purpose or activities associated with a person, organ, or system in biology, or a specific role or activity in more general contexts.

Birdsong

Vocalized sounds produced by birds, which can serve various functions including communication and mating.

Brain Areas

Distinct sections of the brain dedicated to specific functions, such as the occipital lobe for vision or the temporal lobe for hearing and memory.