Using Newton's second law
W=Fd
if F= 20N
   d= 5m
W=Fd
   =(20)(5)
   = 100 J
        
             
        
        
        
Answer:
Alternating
Explanation:
the arrangement of the sides of the
DNA molecule bonding is Alternating
 
        
             
        
        
        
A deep ocean current. its is caused by a combination of temperature and salinity driven currents and surface level wind-driven currents.
        
                    
             
        
        
        
A. Organic compounds - C₃N₂H₄ , C₆H₅F and C₁₂H₂₂O₁₁
Organic compounds are compounds which have Carbon except few compounds such as carbon dioxide, cyanide. Other than Carbon, other elements also present such as Hydrogen, Oxygen and Nitrogen. But Carbon is considered as the main element of organic compounds. 
B. Inorganic substances - AIBr₃ , CrO₃ and <span>H</span>₂<span>O</span>₂
Inorganic substances are the compounds which do not own C-H bonds. Most inorganic compounds do not have carbon as their element except few. (Cyanides, carbon dioxide, carbon monoxide and so on are considered as inorganic although they have carbon).
        
             
        
        
        
Answer:
C.  Pioneer species in primary succession only grow in aquatic environments, while pioneer species in secondary succession only grow on land.
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