Answer:
It is predominantly solid but in geological time it behaved as a viscous fluid.
Explanation:
 
        
                    
             
        
        
        
Answer:
DDWw x Ddww
DdWw x DDww
DDWw x DDww
Explanation:
D for tallness
d for dwarfness
W for violet 
w for  white 
For Parental Plants that has 
tall, violet x tall, white
 The representation will be
DDWW × DDww      (We the apply the mendelian crossing) 
This will yield offsprings with the following trait
DDDD × DwDw
DDDD × DwDw
DWDW x WwWw
DdWw x ddww
Ddww x ddWw
DdWw x DdWw
DDWw x ddww
From the above Offsprings 
1/2 tall, white and 1/2 tall, violets offspring are
DDWw x Ddww
DdWw x DDww
DDWw x DDww
 
        
             
        
        
        
Bermuda grass is successful in preventing soil erosion
because the roots of the Bermuda grass can grow deep and it can reach 6 feet
deep more on its surface. Also when the Bermuda grass is damaged it can grow
back quickly.