Alternative energy sources that use the natural power of the wind, waves and sun are too expensive and complicated to replace the coal, oil and gas that we use to power our cities and transport. To what extent do you agree or disagree with this opinion?

Sustainable

energy

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sources using the natural

power

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of the sun, wind and waves are costly and impractical to be used

instead

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of the fossil fuels that we use nowadays to

power

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our urban areas and transport.

This

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essay completely disagrees with that statement, as conventional resources are becoming scarce and indeed more expensive than

renovable

that can be renewed or extended

renewable

removable

resources, and the equipment needed for producing alternative

energy

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is simpler and easier to maintain. Alternative

energy

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sources are not as costly as how fossil fuels are, thanks to the constant dwindling the latter suffer. It has become more difficult to obtain coal and petroleum

derivates

the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

derivatives

, as the mines and

power

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stations currently working are running out of the materials.

For example

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, the annual budget the Brazilian government

destinates

assign a name or title to

designates

for the extraction of coal went from $10 million USD in 2017 to $50 million USD in 2018, because of the sudden scarcity of the resource in the mines of the nation.

Moreover

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, environmentally friendly sources of

energy

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are easier to maintain, because the processes entailed

to obtain

Suggestion

obtaining

power

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from them are not as complex and tangled as those used for non-

renovable

that can be renewed or extended

renewable

removable

resources. Once solar

pannels

sheet that forms a distinct (usually flat and rectangular) section or component of something

panels

panel

, hydroelectric

power

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stations and wind turbines are set up, they practically run themselves alone.

For instance

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, hydroelectric

power

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stations in Germany only need to be

assesed

evaluate or estimate the nature, quality, ability, extent, or significance of

assessed

once a year, because they mainly use natural processes to work, and the failures

on

Suggestion

of

the equipment are rare and minimal. In conclusion, alternative sources of

energy

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using

renovable

that can be renewed or extended

renewable

natural resources are much more affordable and less complicated to implement than the conventional sources based on non-

renovable

that can be renewed or extended

renewable

removable

resources.