<span>B. The purchase of bonds reduces the bond buyers' bank accounts </span>
        
             
        
        
        
Answer:
Wala akong makitang larawan
Explanation:
 
        
             
        
        
        
Answer:
D. They have used irrigation to carry water from rivers to crops.      
Explanation:
Irrigated agriculture is widespread in North Africa, about 28% of farmlands in North Africa are irrigated. For example, Libya has the largest irrigation project in the world, called the Great Man-Made River which supplies farmlands across Libya with freshwater for cultivation.
People in North Africa essentially, irrigated farming to make their land more suitable for agriculture.
 
        
                    
             
        
        
        
Discovery of oil led to extreme exploration and human encroachment in Oklahoma as well as increased wealth.  Now, there are jobs that include finding oil, drilling oil, selling oil, and getting rid of wastes that are produced during the oil refinery process.  Please mark Brainliest!!!