Since we've been using petroleum in vast amounts organizations such as OPEC have appeared which restricts the U.S which ensued our country into suing; if this lawsuit passes then we will possibly be taking more petroleum than ever before due to it's demand such as it's needed for machinery and vehicles and etc. Most petroleum are from middle eastern countries, so our dependency will run rampant which will make us adhere to any of their policies pertaining to this fossil fuel in the near future.
 
        
             
        
        
        
The third one.……...................
        
             
        
        
        
Answer:
One with poor-quality nutrition.
Explanation:
Anthropology may be defined as the field of biology that mainly includes the study of human behavior, societies and humans. Two different types of anthropology are cultural and social anthropology.
The social environment and its consequences is included and studied in the social anthropology. The disadvantage of social environment in anthropology shows the population with the lack of proper nutrition and people suffers from the malnutrition. 
Thus, the answer is one with poor-quality nutrition.
 
        
             
        
        
        
Like animals, plants must maintain an internal balance, or homeostasis.
Hope this helps chu 
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As when things get eaten some of the energy is lost  the predators have to have more than one prey to survive, this means there is only a limited amount to be shared which means less predators