I believe the asnwer would be B
        
             
        
        
        
Answer:
Option (A)
Explanation:
Upwelling usually refers to the rising up of denser, deep-sea cold water to the surface of the ocean, replacing the less dense warm air.
It takes place both near the coastal areas and in the broad open ocean.
The deeper cold water is highly rich in the valuable nutrients, and as they rise up they carry these nutrients and distribute them in the upper region of the ocean water body. The marine organisms are directly dependent on these nutrients, thereby helps in biological productivity.
Thus, the intense upwelling occurring in a particular area in the ocean signifies the abundance of marine species.
Hence, the correct answer is option (A).
 
        
             
        
        
        
Answer:
Also know as the <u>skeletal</u> nervous system. The part of the <u>peripheral</u> nervous system that controls the glands and the muscles of the internal organs (such as the heart).
 
        
                    
             
        
        
        
For example bees they use wax to build shelter
        
                    
             
        
        
        
Answer:
True
Explanation:
The crust makes up less than 1% of earths mass.