A FLAMMABLE LIQUID IT WAS USED TO IGNITE A FIRE THAT BURNED PART OF...

5. A flammable liquid it was used to ignite a fire that burned part of the right Nairobi

Shopping Centre.

Question 8 : Read the passage and choose the correct answer

The search for alternative sources of energy has led in various directions. Many

communities are burning garbage and other biological waste products to produce

electricity . Converting waste products to gases or oil is an efficient way to dispose of

waste.

Experimental work is being done to derive synthetic fuels from coal , oil shale and

coal tars. But to date , that process has proven expensive. Other experiments are

underway to harness power , heat from the earth , is also being tested.

Some experts expect utility companies to revive hydroelectric power derived from

streams and rivers. Fifty years ago hydroelectric power provided one third of the

electricity used in the United States , but today it supplies only four percent. The oceans

are another potential source of energy . Scientists are studying ways to convert the

energy of ocean currents , tides , and waves to electricity . Experiments are also

underway to make use of the temperature differences in ocean water to produce energy.