The correct answer is World's Worst Air Quality. These cities has the worst air quality in the world, since these two cities suffer from air pollution due to the overuse of cars, the exhaust of cars expels a lot of smoke that forms within the air that causes bad quality and increases particulates in the air, which results to respiratory illnesses among the citizens of the said countries/states. <span />
        
                    
             
        
        
        
 Answer:
Some countries in Oceania often grouped with southeast Asia because : A. There is little diversity in Oceania
Culturally, the Oceania Region is really similar to the countries that exist in South East Asia
Explanation:
 
        
                    
             
        
        
        
Physical geography focuses on natural processes of the earth, including climate and plate tectonics, whereas human geography studies the effect and behavior of humans and how they relate to the physical world. The two fields of geography are interrelated.
 
        
             
        
        
        
To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
        
             
        
        
        
Answer:
Soil is good for growing grass. It contains a lot of grass for grazing, animals come here for migration.
Explanation: