coal
fat
Solar Energy
Solar because the sun is always there somewhere in the world
It is renewable energy source (i.e. non exhaustible). It is clean energy source (i.e. not polluting environment). However, its use has limitations of availability of sites with efficient wind speeds and not heavily populated.
Now Romania hasn't an abundant source of energy.
Romania has energy resources but not so abundant.
Solar.
There is no pronoun that means 'abundant source'. Some nouns that mean 'abundant source' are mine or well. Some adjectives that mean 'abundant source' are much and rife.
coal
The sun
Solar.
Coal is the most abundant in the USA
The people in Russia do have an abundant energy source. Russia is a world leader in the production of renewable energy, mainly through hydroelectric power sources.
The people in Russia do have an abundant energy source. Russia is a world leader in the production of renewable energy, mainly through hydroelectric power sources.
yes
Coal