When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. ... Solids, liquids and gases all expand when heat is added.  Matter can change from one state to another when thermal energy is absorbed or released. ... heated, it absorbs thermal energy and its temperature rises. At some point, the temperature stops rising and the ice begins to change into liquid water. The change from the solid state to the liquid state is called melting.
 
        
                    
             
        
        
        
By diffusion hope this helps
        
             
        
        
        
Answer:
Frogs have smooth or slimy skin that is moist, whereas toads have thicker, bumpy skin that is usually dry. All toads are poisonous, while frogs are not. 
 
        
                    
             
        
        
        
Answer:
What is the pressure on the Lithospheric Mantle? The density of the lithosphere varies depending on temperature, depth and age. At about 50 kilometers (30 miles) below the Earth's surface, density measurements reach 200,000 pounds per square inch (13,790 bars)
Explanation:
 
        
             
        
        
        
Since a fox has a backbone and all to be a vertebrate you must have a backbone then a fox is a vertebrate.
Hope this helps!
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