<u>Question</u><u> </u><u>:</u><u>-</u>
What is considered a pull factor for potential immigrants to Canada?
<u>Answer </u><u>:</u><u>-</u>
<em>B) Excellent employment opportunities</em>
<u>Reason </u><u>:</u><u>-</u>
Of course people will immigrate to a country only if they get any benefits. Here more employability options & more salary is considered a pull factor for potential immigrants to Canada.
 
        
                    
             
        
        
        
There are a total of 7 plates
 
        
             
        
        
        
Answer:
medium of exchange
Explanation:
Because it just makes sense 
 
        
             
        
        
        
The cascade volcanoes were formed by the subduction of the Juan De Fuca, Explorer and the Gorda Plate (remnants of the much larger Farallon Plate) under the North American Plate alone the Cascadia subduction zone
        
             
        
        
        
Answer: Megacities can influence environment and health concerns. 
Explanation:
1. The megacities can pollute the environment by causing air, water, and soil pollution due to rapid industrialization in these cities leaking air pollution and chemical discharge in water and soil contaminating them. This way the environment is affected also the human and animals are prone to respiratory and digestive problems and diseases.
2. The megacities are source of noise pollution from different sources producing undesirable sound like vehicle honking, live concerts, and machines from industry and others these can affect the hearing ability of human and animals also can be responsible for hypertension, cardiac arrest, and stress in humans. 
3. The megacities are affected by overpopulation which can affect the environment as resources like water, air, minerals will deplete from these cities and this can affect the survivor of human kind who are not able to meet the resource demand.