The chart shows air pollution levels among four countries in 2012. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The chart shows information about the

pollution

levels in the

air

caused by

electricity

generation, transport, and industry in four countries, namely China, America, Japan, and

Australia

, in 2012.

Overall

,

industries

are the largest source of

pollution

. Meanwhile,

electricity

was the smallest, except in

Australia

. In China, the

air

pollution

caused by

industries

reached 80

ppm

, which is the highest level of

pollution

caused by

industries

in the period. Followed by transport and

electricity

, reaching 70

ppm

and around 60

ppm

, respectively. In America, the highest

pollution

source was transportation,

that

Correct pronoun usage

which

show examples

reached slightly under 60

ppm

, followed by

electricity

generation and industry around 30

ppm

. In Japan, the largest amount of

air

pollution

was caused by

industries

, same as in China, but at different levels (in Japan, slightly over 40

ppm

). Followed by transport (30

ppm

) and

electricity

(around 15

ppm

). Meanwhile, in

Australia

, the amount of

air

pollution

caused by industry,

electricity

, and transportation

were

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was

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under 20

ppm

.

In addition

, in

Australia

, the

pollution

caused by

electricity

was the largest amount.