Answer:
He discovered neutrons in 1932
 
        
             
        
        
        
srry the pic is not clear...... 
l cant see it.....
 
        
             
        
        
        
Answer:
25%
Explanation:
Ammonium Chloride NH4CI Fertilizer-grade NH4Cl usually contains 25% N. About two-thirds of the world capacity for manufacture of this material is located in Japan, with the remaining one-third situated in India and China.
 
        
             
        
        
        
Answer:
Organisms compete for the resources they need to which are survive- air, water, food, and space.