Directions: In the below given passage, there are blanks each of which has been numbered. Five words are suggested, one of which fits the blank appropriately. Find out the appropriate word in each case.
One big __(1)__ between the investments in fossil fuels and those in wind power, solar cells and geothermal energr is that the latter will supply energy in __(2)__ These 'wells' will never run dry. If the money spent on oil in one year were __(3)__ in wind turbines, the electricity generated would be enough to __(4)__ one-fifth of the world's needs. Investments in infrastructure for the new energy economy, which would eventually have to be made when fossil fuels reserves __(5)__ will obviously be huge. These include the transmission lines that __(6)__ wind farms with electricity consumers and the pipelines that link hydrogen supply sources with end-users. To a substantial degree, the infrastructure for the __(7)__ energy sources-the transmission lines for electricity from coal and the pipelines for natural gas, can be used in the new energy economy as well. The local pipeline distribution network in various cities for natural gas can easily be __(8)__ to hydrogen distribution system. For developing countries, the new energy sources __(9)__ to reduce dependence on imported oil, freeing up capital for investment in domestic energy sources __(10)__ very few countries have their own oil fields, most have wind and solar energy. In terms of economic expansion and job generation, these new energy technologies are a godsend.