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Match it! Select the correct answer from the pull down...Good luck!
What happens in the digester tanks?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
Which agent for purifying water, does not kill bacteria but makes them unable to reproduce?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
How do plants help clean water?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
What happens in settling tanks?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
What process easily removes large particles from water as the movement of water slows?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
What step in the treatment of wastewater produces methane gas that can be used for electricity and heat?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
What breaks down organic matter into carbon dioxide and water
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
What is the dropping of particles from water due to slowing of water movement?
organic matter settles to the bottom and is removed
sedimentation
all of the above
bacteria, without oxygen, break down organic matter releasing methane
digesters
UV radiation
bacterial and plant action
sedimentation
Check it!