The one that is least likely to increase the rate of diffusion would be : small concentration of gradient
The rate of diffusion will more likely to increase if : 
- the concentration gradient is greater
- distance is decreased
- The surface Area is increased
hope this helps
        
             
        
        
        
Make an observation, form a question, form a hypothesis.
        
             
        
        
        
Answer:
I think this is 2 because there would have been bigger predators in the ocean vs. a lake
 
        
             
        
        
        
Climate is the main factor is determining<span> which </span>plants<span> can grow in a certain area, which in turn defines the </span>biome<span>. Temperature and precipitation are the two most important factors that </span>determine<span> a region's climate.
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