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Issues in Economics Today 7th Edition by Robert Guell
النسخة 7الرقم المعياري الدولي: 978-0078021817Issues in Economics Today 7th Edition by Robert Guell
النسخة 7الرقم المعياري الدولي: 978-0078021817 تمرين 9
The evidence on most environmental pollutants (lead in the air and water, sulfur in the air, etc.) is that
A) they are not nearly as harmful as once thought.
B) they are increasing at an alarming rate.
C) they have decreased substantially in the last 20 years.
D) they have stabilized in the air at their all-time high.
A) they are not nearly as harmful as once thought.
B) they are increasing at an alarming rate.
C) they have decreased substantially in the last 20 years.
D) they have stabilized in the air at their all-time high.
التوضيح
موثّق
موثّق
Hence, option (a)is incorrect.
The numb...
Issues in Economics Today 7th Edition by Robert Guell
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