Greater use of oil and other fossil fuels causes more pollution. When we have less cars on the road the pollution levels decrease or increase?
decrease
------
As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger. When we are increasing energy used while running what will happen speed up or slow down?
speed up
------
People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do. When everyone in a country can afford a car do they use more or less energy more or less?
more
------
The more efficient a device is, the greater the percentage of usable energy it produces. A very efficient pair of solar panels will produce little energy or a lot of energy?
a lot of energy
------