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Matemàtiques (3025)
Ciències Naturals (4129)
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Describes how the human population is rapidly expanding.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes how the human population is rapidly expanding.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How groundwater can be polluted.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How overuse of groundwater can lead to problems.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How overuse of groundwater can lead to problems.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The features of aquifers and the water table.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The features of aquifers and the water table.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes different greenhouse gases and how human actions impact the greenhouse effect.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Explains the greenhouse effect and how humans affect the greenhouse gas level.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Understand the role of gravity.
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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