Yes they can and if they are in the right light they look gorgeous
        
             
        
        
        
Answer:
Endothermic
Explanation:
Because they use the food they eat to produce heat as well as to fuel movement!
Hope this helps!
 
        
                    
             
        
        
        
Answer:
addition of a second melodic line to Gregorian chant
Explanation:
The developments in society and religious domination are some of the inclinations of Western music during the Medieval times. The most flourishing music during those times was sacred music. The domination of the Christian religion and church music gradually took the form of Gregorian Chant. The monophonic melody of Christian music later developed to polyphonic music. Pope Gregory, I is associated with the establishment of the change in the music. It is because of this reason, the shift in the music has been known as Gregorian Chant.
 
        
             
        
        
        
Fresco Secco. In the dry plaster or "fresco secco" technique, pigments are usually mixed with water, although other substances might also be used. The paint is then applied to a dry plaster wall which has been wetted down with water.