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بایگانی روزانه: بهمن ۴, ۱۳۹۷

Air pollution is a killer

دانلود صوت این متن با فرمت Mp3 The World Health Organization says it kills an estimated seven million people around the world each year. Even if polluted air does not kill us, it can make us very sick. However, breathing dirty air may do more than hurt your body. It can also affect your brain and your ability to think. A ... ادامه مطلب »