Oc would be the answer to this question
        
             
        
        
        
All of these birds share a common ancestor
Hope i helped :3
        
                    
             
        
        
        
The urban areas are more likely to have smog than the rural areas. 
Urban area can be referred to as the town or city with advances an developments. Since the urban areas have more population density, more electronic items, vehicles and also industries, that is the reason why they are more likely to produce the smog or any other form of pollution.
Smog is a type of air pollution formed dye to the combination of smoke and fog. The most common source of smog is the burning of coal. This can be either due to industries or the fuels of vehicles. Fog can be of two types: Photochemical smog and industrial smog.
To know more about smog, here
brainly.com/question/15728274
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Answer:
Explanation:
All hydrocarbons are apolar 
They contain covalent bond(s)
Hydrocarbons contain only carbon and hydrogen atoms
Hyrdrocarbons held by london forces 
True answer is d 
 
        
             
        
        
        
Although most absorbed glucose is used to make energy, some glucose is converted to ribose and deoxyribose, which are essential building blocks of important macromolecules, such as RNA, DNA, and ATP.