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But currently, nations producing only DD percent have approv......

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These greenhouse gases trap heat in tile atmosphere and are blamed for changing the world’s climate
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A．The air pollution is caused by the development of industry.B．The city was poor because there wasn’t much industry then.C．The woman’s exaggerating the seriousness of the pollution.D．He might move to another city very soon.
A．The air pollution is caused by the development of industry.
B．The city was poor because there wasn’t much industry then.
C．The woman’s exaggerating the seriousness of the pollution.
D．He might move to another city very soon.
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