The graph below shows the average monthly change in the prices of three metals during 2014.

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comparesisons

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comparisons

between copper, nickel, and zinc in terms of , the average monthly

change

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of price during 2014. It is evident that

three

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types of metals saw considerable fluctuations over the year, and prices for all

three

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metals dipped in June. Increasing sharply at the beginning of the year, nickel started with the highest percentage

change

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of the

three

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but ended with the lowest.;

iIt

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it

rose 6% at the beginning,

then

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continued to decline until June, with the lowest -3%

change

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in price.

Then

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,

at the end

Linking Words

of the year, it experienced

1

Correct article usage

a 1

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%

changed

Wrong verb form

change

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.

However

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, copper prices fluctuated, showing a difference of just 0.5% from January to December. Meanwhile, Zinc started with the smallest

change

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at around 1% in January and

peakedended

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peaked ended

with

Change preposition

at

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the highest in February at 3%, with a sustained decline until June and a steady

riseup

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rise up

rise

from October until December at 2%. It is interesting to note that from July to September, the

three

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types of metals were followed by steady percentages without any changes for 3 months.