Ielts essays abazar alizadeh

 
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IELTS Essays, 
Letters, Graphs, Diagrams & Maps
7- The pie charts below show the forms of energy used to generate 
electricity in the USA in two years.
Summarise the information by selecting and reporting the main features, 
and make comparisons where relevant.
1970
Natural Gas
24.3%
Hydro-electric 
Power
16.2%
Nuclear
1.4%
Oil
12.1%
Coal
46.0%
1984
Natural Gas
12.3%
Hydro-electric 
Power
13.7%
Nuclear
13.5%
Oil
Coal
55.5%
The two pie charts illustrate the production of electricity in the US by source in 
1970 and 1984. In general, it can be said that coal was the most important 
source of electrical power in both years, although nuclear power grew in 
importance. 
In 1970, coal-powered stations were the main source of electricity in the US, 
producing 46% of electricity, and this figure increased to 55% in 1984. The 
second most important source of power in 1970 was the natural gas, with 
almost 25%. However, by 1984, this had declined to just 12.3%. Hydroelectric 
power also declined over the same period, from 16% to less than 14%. In 
contrast, nuclear energy gained in importance. It rose from just 1.4% of 
production in 1970 to almost 14% in 1984, showing a ten-fold increase. 
In summary, more electricity was produced from coal and nuclear energy, 
while natural gas, hydroelectric power, and oil declined in importance.
(153 words)

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IELTS Essays, 
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