Manufacturing processes refrigeration and fire suppressin systems use ____. (metan)

In the next 20 years there will be a global ______ _______ of up to 3.5 degrees. (temperatura wzrośnie)

_____ _____ is the energy from the Sun. (energia słoneczna)

Biomass can be used directly as fuels or to produce ____ ____. (biopaliwo płynne)

____ _____ is the fastest growing of the renewable energy technologues. (energia wiatru)

How many kinds of ____ _____ technologies can you name? (odnawialnych źródeł)

Three types of ____ _____ are .... (elektrowni).

Laser is an abbreviation witch stands for ____ _____ by Stimulated Emission of Radiation. (wzmocnienie światła)