we have to ............, to produce steam inside the electric power station.
Heat the water
Cool the water
freeze the water
which of thefollowing sentences describes the most important thing for the driver, during driving a car for a long distance
The presence of a radio
The fuel tank contains enough amount of gasoline
The presence of a speedometer
we have to protect sones of buildings from..............
global warming
acid rain
Oxygen gas
The genentor inside the elecric power station, turns................
Kinetic energy into electrical energy
Steam into water
Elenrical energy into kinetic energy
The two main types of fuel are..............
The sun and the moon
Fossil fuel and biofuel
Water and wind
car engine can be operated by......
Gasoline and natural gas.
Gasoline only
Coal only
The fuel must be ...... at first to move a car.
freezed
cooled
burned inside the car engine
The fossil fuel are formed under the earth's surface from dead plants or animals, after a.............Period of time
short
Very long
long
the devices in the electric power station which opeated by steam are...............
the cables
the turbines
the tubes.
when carbon dioxide gas inceases, the earth’s tempeature .....
doesn't change
Increases slowly
Decreases slowly