Landslide maybe, I’m not sure
        
             
        
        
        
Ecological tipping points are the<span> points where environmental problems reach threshold level causing irreversible shifts in the behavior of natural systems. These are also called thresholds where the biodiversity changes.</span>
        
             
        
        
        
Answer:
it would be $10 
Explanation:
$10 is what the majority of people donated
 
        
             
        
        
        
Answer: it gives water
Drinking, cooking, electricity or hydroelectricity 
We can use it to grow food or use it in hydroponics
We can filter it into drinking water