What is the main economic economic activity in bolivia

Witch one is it soo it the the question b. a,b, c,d

Ray lo bisects nlm, lm=18, no=4, and ln=10. what is the value of x?

In the von thunen model of agricultural land use, what is produced closest to the city epicenter? a. dairy, vegetables, and fruits b. field crops, such as corn and wheat c. beef and other animal products d. wood and lumber