D should be the answer as they are no longer able to perform sexual reproduction without the other fish. Therefore, they would die off because they have lost the partner needed to reproduce.
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Many farmers in less densely populated area, such as Amazonia, practice slash and burn agriculture, also known as shifting cultivation or swidden agriculture where an area is cleared and then burned for the vegetative remains to release nutrients back into the soil. Shifting cultivation is a system where a farmer uses a piece of land, only to abandon or alter the initial use a short time later. Advantages of shifting cultivation includes; enhance control of pest and disease, inorganic matter addition which provide nutrient to crop, an effective way of weed control
        
             
        
        
        
Answer:
Hippocampus
Explanation:
The part of the brain that responds strongly to aerobic exercise is the hippocampus. It supports memory, learning, navigation and perception of space. 
<h2>BRAINLIESST please if this helped!</h2>
 
        
             
        
        
        
I believe this difference in concentration of dissolved Particles from one location to another is called a concentration gradient.
        
             
        
        
        
Because they interfere witht he natural cycling of elements.
An example is crop harvesting. The practice of removing part or all of the crops grown from the soil accelerates the loss of nutrients from the soil. The cycling of nutrients from plant uptake and release is interrupted by crop removal.
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