Answer: The main causes of urban migration in the United States is Economics. Means of supporting oneself sometimes results in moving to where business is thriving.
Explanation:
 
        
                    
             
        
        
        
Phobhos and dhemos are the two moons of mars.
 
        
                    
             
        
        
        
conduct research on the types of organisms that live in the ecosystem you choose - 
Ecosystems, or biological communities, comprise both living organisms such as animals, plants, insects, and microorganisms and nonliving components such as rocks, soil, water, and sunshine.
- Producers are plants and algae that manufacture their own sustenance.
- Herbivores eat plants and are classified as main consumers. 
- Secondary consumers are carnivores that devour herbivores at the third level. 
- Tertiary consumers are predators that consume other carnivores.
To learn more about ecosystem from the given link
brainly.com/question/15971107
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<span>The two sentences that accurately describe the girls' experience with heat transfer are "Camille heats a rock in the campfire for 30 minutes, and then removes it with tongs. She greases the rock and lays the bacon strips directly on it." By heating the rocks in the campfire and laying the bacon on the rocks, the girls transferred the heat from the fire to the rocks, and the heat from the rocks to cook the bacon.</span>