due to pm2. 5 concentrations that were three times higher than the who-recommended exposure threshold in 2019, the who classified syria as the 18th worst air polluter (out of 92 nations).
arab-reform.netADS
due to pm2. 5 concentrations that were three times higher than the who-recommended exposure threshold in 2019, the who classified syria as the 18th worst air polluter (out of 92 nations).
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