The plow is the invention that increased crop yields and made soil more porous. 
        
                    
             
        
        
        
Answer:
62 degress
Explanation:
the chord is the same measure as the central angle :) 
 
        
             
        
        
        
Answer:
- The Atlantic charter stated that people have the right to choose their own government (True)
- The Atlantic charter was written in response to Hitler's invasion of Poland | true 
- The Atlantic charter gave the united states further protection from involvement in the war | true
- The United States and Britain signed the Atlantic charter | true
- The Atlantic charter signaled president Roosevelt's commitment to supporting Britain in its struggle against Germany. (True)
Explanation:
The Atlantic Charter also declared the basic sources of international arbitration: no aggrandizement; no regional variations without the freely-communicated wishes of the peoples involved; the right of every people to determine their own style of management; and equitable access to raw elements for all countries.
 
        
             
        
        
        
Hello. 
The Aryans came from somewhere in Central Asia. They moved into Persia and India after 2000 BC. Aryan is the name that was formerly given to a people who were thought to have settled in prehistoric times in ancient Iran and the northern Indian subcontinent. They were said to speak an archaic Indo-European<span>language.
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You can check out https://global.britannica.com/topic/Aryan just incase you want further information. 
I hope this helped :)