Answer:
releasing emissions from vehicles and industry 
 
        
                    
             
        
        
        
Answer:
520$
Explanation:
367 divided by 7 is about 52 times 10 is 520
 
        
             
        
        
        
Answer:
D). Ate a varied diet of plants and meat.
Explanation:
Pre-historic hunter-gatherers 'ate a varied diet of plants and meat' as they were dependent on plenty of sources for obtaining their food. They obtained their food by pursuing various activities like 'hunting, gathering/collecting wild herbs and edibles, scavenging, fishing, etc.' Their sole dependence on the abundance of nature made them eat various sources of food until the advent of agriculture 12k years ago. Thus, <u>option D</u> is the correct answer.
 
        
             
        
        
        
Answer: Entrepreneurs lived in these cities and started businesses there.
Explanation:
Before the massive industrial development in the United States' interior, all major jobs were related to port cities. These are the places where the first colonies were founded, so this is the reason why they developed rapidly. The lack of railway infrastructure in the country's interior is the reason why port cities have developed rapidly. The ports were the center of trade and business, so it was in these places that the first industrial capacities were developed. The companies' owners established their companies near the port because all the necessary raw materials arrived by the ships.