Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
 
        
                    
             
        
        
        
Answer:
95%
Explanation:
95%
Mars' atmosphere however is 95% carbon dioxide, 3% nitrogen, 1.6% argon, and it has traces of oxygen, carbon monoxide, water, methane, and other gases, along with a lot of dust.
 
        
             
        
        
        
Answer:
1. North America, Europe
2.Australia, Antarctica, South America 
 3. Africa, a bit of South America is also in the Northern hemisphere 
4. The Equator 
Explanation:
 
        
                    
             
        
        
        
Answer and Explanation:
CE stands for Common Era which is a modern replacement for AD( Anno Domini). 
Therefore, 2020 c.e is equal to 2020 A.D. (Anno Domini )
In the Chinese year(calendar) :
2020 c.e corresponds to 4717 Chinese Year  
In the Islamic year :
2020 c.e corresponds to 1441 Islamic year  
In the  Jewish year:
2020 c.e corresponds to 5780 Jewish year