Answer:
starch
Explanation:
Plants store energy in the form of starch. Starch is a polysaccharide made up of long chains of glucose molecules
 
        
                    
             
        
        
        
Answer:
Due to its spreading nature.
Explanation:
Transboundary environmental threats like pollution is a problem for both parties i. e. one that is producing pollution and the other which is not producing it, because pollution can't remain at one place and spread from one part to another part of the earth due to open environment. So due to its spreading, it affected both the producing and non-producing parties.
 
        
                    
             
        
        
        
Answer:
The cilia is one of the things that act defensively in the respiratory system. 
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
 
        
             
        
        
        
Fixation answer : hope this helps