Answer:
The last one is correct (I think)
Explanation:
The plant absorbes the sunlight and releases Oxygen as a byproduct
 
        
             
        
        
        
Biotechnology allows farmers to grow more food on less land using farming practices that are environmentally sustainable. Through biotechnology:Seeds yield more per acre, plants naturally resist specific insect pests and diseases, and farming techniques improve soil conservation.
        
             
        
        
        
Answer:
the animals die due to the chemicals and stuff in the water
Explanation:
 
        
                    
             
        
        
        
Answer:
Organism.
Explanation:
The cell is the smallest form of life. Cells work together to form tissues, tissues work together to form organs, and organs work together to create an organ system, and organ systems work together to create organisms. I believe "organism" includes all of these other levels.