The two graphs show the main sources of energy in the USA in the 1980s and the 1990s. Write a report for a university lecturer describing the changes which occurred

The two graphs show the main sources of energy in the USA in the 1980s and the 1990s. Write a report for a university lecturer describing the changes which occurred
Nowadays, there are distinct sources of
energy
between renewable
energy
, clean
energy
and other types of
energy
. The presented pies demonstrate the prime source of power in the USA in the disparate periods in 1980 and 1990.
Overall
,
oil
was the most source of power utilised in the two periods, albeit the
oil
percentage marked a fall in 1990.
To begin
with. the coal proportion increased slightly from 22% to 27% by 5%.
In addition
,
oil
percentage doubled from 5% to 10%.
Furthermore
, the natural gas proportion dipped by 1% to 25% and it is a quarter of the total used
energy
in 1990.
Moreover
, the usage rate of
oil
plummeted from 42% to 33%,
however
, the hydroelectric power ratio remained static.
Submitted by mohannadsme on

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Sentences: Add more complex sentences.
Introduction: The introduction is missing.
Introduction: The chart intro is missing.
Common mistake: Your writing should be 150-250 words.
Introduction: The chart intro is missing.
Vocabulary: Replace the words energy, oil with synonyms.
Vocabulary: The word "percentage" was used 2 times.
Vocabulary: The word "proportion" was used 2 times.

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Topic Vocabulary:
  • sources of energy
  • predominant
  • renewables
  • nuclear
  • significant increases
  • significant decreases
  • technological advancements
  • policy changes
  • trends
  • overall
  • preference
  • shifts
  • implications
  • future energy landscape
  • decades
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