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Describes the sources of water pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes the sources of water pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
What sustainable development is.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
What sustainable development is.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How some people do not have access to safe water for drinking and bathing.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How some people do not have access to safe water for drinking and bathing.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How to reduce pollution and clean up polluted water.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How to reduce pollution and clean up polluted water.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How to prevent hazardous waste pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How to prevent hazardous waste pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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