Answer:
True
Explanation:
Fixation converts nitrogen in the atmosphere into forms that plants can absorb through their root systems. A small amount of nitrogen can be fixed when lightning provides the energy needed for N
 
        
             
        
        
        
Answer:There are many advantages of immobilisation, one of which is that the enzymes can be reused – catalysing the same reaction many times. Binding the enzymes to a surface also makes them more stable and less likely to denature (lose their shape).
Explanation:
 
        
             
        
        
        
The focea centralis functions to promote daytime vision, being the site of concentrated photoreceptors called cone cells.
        
             
        
        
        
Average atomic mass is 87.62 +- 0.01 u