Answer:
submarine mountain ranges called oceanic spreading ridges.
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Answer:
commensalism
Explanation:
One organism is benefited while the other is not harmed or benefited.
 
        
                    
             
        
        
        
The answer is A.) Troposphere, Stratosphere, Mesosphere, Thermosphere
        
                    
             
        
        
        
Answer:
Mitosis is when a diploid cell becomes 2 haploid cells with single chromosomes 
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Answer:
The skeletal system provides the shape and form for our bodies in addition to supporting and protecting our bodies, allowing bodily movement, producing blood cells, and storing minerals. This system consists of bones, cartilage, and joints.
The primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing. It consists of the nose, larynx, trachea, diaphragm, bronchi, and lungs.