Answer: 2500 i think don't count me on it though sorry if it is wrong.
Explanation:
 
        
             
        
        
        
One of the major problems of monoculture farming is the variety of species. If there are no varieties in the producer level in the food chain all other organisms within the ecosystem would be affected.
 
        
                    
             
        
        
        
Hello,
Here is your answer:
The proper answer to this question is option A "Repairing leaky faucets". That's because a water conversation technique is how you can preserve water without wasting to much. B, C, and D your using a lot of water.
Your answer is A.
If you need anymore help feel free to ask me!
Hope this helps!
        
             
        
        
        
I think it would be the thrid
        
             
        
        
        
Answer:
the engineering of rice crops to withstand flooding and contain more nutrients
Explanation:
hope this helps