How much do you know?

How many kinds of energy can you name?
Are they clean energies?
Do you know the damages they can cause to ecosystems?

miércoles, 26 de febrero de 2014

ENERGY THROUGH OUR SUN

CAN USING SOLAR ENERGY AFFECT US?
 
Solar energy uses panels to obtain the suns rays and convert it into energy. This source is a clean source of energy. So it really doesn't affect is, but it is not cheap.
Did you know that some materials used in solar cells are very dangerous? For example, cadmium?

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