Answer:
Severage water is most desasterous thing of urbun areas.
noise pollution also damage species 
Explanation:
severage water contaminates rivers,canals and other water reserviours that can be harmfull for fish comunity moreover animal may drink water from that water bodies that causes problems in them.
contaminated water from industries also effects water bodies.
noise pollution disturb mental life of man as well as animals .
 
        
             
        
        
        
Answer:
B
Explanation:
because their structures become more complex. Such as the human brain, over time we get more knowledge. 
 
        
             
        
        
        
Aids is one of the disease that damage little by little the immune system until the human body die.
        
                    
             
        
        
        
Hi there!
The example of the meadowlarks is an example of behavioral isolation. This is because the mating call is a behavior the birds exhibit. This helps the birds to find their correct mate because though the birds look similar, they are not able to produce offspring.
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
        
                    
             
        
        
        
<span>During meiosis I, homologous chromosome pairs are separated when the centromeres split apart.
This answer would be false.</span>