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How the oceans sustain life, are part of the water cycle, and moderate climate.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How the oceans sustain life, are part of the water cycle and moderate climate.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How fuel can be produced from biological materials.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How fuel can be produced from biological materials.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The sources of air pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The educational resource shows information about the energy sources: energy sources are the resources which exist in nature from which human beings can obtain energy which they can use for their activ ...
The educational resource shows information about the concept windy energy and its advantages and its disadvantages.
The educational resource shows information about the concept of thermal energy: thermal energy is due to the movement of the particles which make up matter. The particles of a body at a low temperatur ...
Electrical energy is caused by the movement of the electric charges inside conductors. This energy fundamentally produces 3 types of effects: luminous, thermal and magnetic.The following visual tries ...
The educational resource shows information about the concept of chemical energy: chemical energy is what is produced in chemical reactions. An energy cell or a battery possess this type of energy. The ...
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