Answer:
the answer is OB
Explanation:
In narratology and comparative mythology, the hero's journey, or the monomyth, is the common template of stories that involve a hero who goes on an adventure, is victorious in a decisive crisis, and comes home changed or transformed.
 
        
             
        
        
        
A decrease in predators 
Lack of available mates after the flood 
An increase in available living space
        
             
        
        
        
Answer:
It is a good way to protect your artwork.
It was initially part of the frame and mat of wood.
During the renaissance, it was made out of paper.
At the beginning of the 19th century, cardboard was invented. Later on, mats for artwork were mass produced out of cardboard.
Nowadays, there is a digital mat that can be used by professional designers.
Explanation:
Hope this helps!