How much has the world merchandise and commercial services trade increased in the last 30 years?
A. 5% per year
B. 7% per year
C. 10% per year
D. 15% per year
Answer:B
How much has the world merchandise and commercial services trade increased in the last 30 years?
A. 5% per year B. 7% per year C. 10% per year D. 15% per year