I believe Jupiter has a total of 4 sets of rings.<span>
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<span>Correct matches: chemicals with their descriptions. 
1. abscisic acid ( is the hormone that regulates survival functions of a plant, such as the opening and closing of stomata) 
2.  auxins (chemicals produced in plants that are characterized by their ability to induce cell elongation and cell division in stems) 
3.  cytokinins  (chemicals that helps plant cells divide)</span>
<span>4.  ethylene (a hormone that promotes ripening of fruit or blooming of flowers) </span>
<span>5.  gibberellins (chemicals produced by plants that stimulate stem elongation, seed germination, and flowering) </span>
 
        
                    
             
        
        
        
The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.
        
             
        
        
        
Kinins are always present in an individual's blood. however, in the absence of infection, it is in an inactive form. The kinins are polypeptides that as blood components generate various mediators and many<span> cardinal manifestations of </span>inflammation.
        
             
        
        
        
It was believed that the magnetic field to be generated deep down in the Earth's core. But the truth is the flow of liquid iron generates electric currents, which produces magnetic fields. 
But the truth is no one really knows for certain so the only thing we know is that the spin of the earth is the cause of its magnetic field
Hope this helped :)
Have a great day