Weak acids do not and cannot dissolve in water. They become even more diluted, or watered-down, and become even weaker acids.
        
             
        
        
        
Answer:
The answer is: 3 tennis balls because there will be 4 ping pong balls used for every model and 12/4=3
Explanation:
 
        
                    
             
        
        
        
Answer: Cycles of matter are called biogeochemical cycles, because they include both biotic and abiotic components and processes. Components that hold matter for short periods of time are called exchange pools, and components that hold matter for long periods of time are called reservoirs.
Explanation:
 
        
             
        
        
        
Answer:
Negative impact.
Explanation:
There is a negative impacts of sprawl on wetland ecosystems because it destroys the habitat of thousands of organisms. Making laws to restrict housing in a wetlands and avoiding making houses on the wetland are the ways to protect wetlands from further decline. Human activities is the main factor that causes harm to wetland ecosystem so sprawl has adverse impact on wetland ecosystem.
 
        
             
        
        
        
Answer:
 Fats, waxes, oils and steroids are all examples of macromolecule " lipids "