Hello there.
Question: <span>In seed producing plants pollen grains contain what
Answer: It is vegetative cells.
Hope This Helps You!
Good Luck Studying ^-^</span>
        
             
        
        
        
Answer: Between 8 and 14
Explanation: Ammonia is an inorganic compound of formula NH₃. Also known as ammonium hydroxide, it behaves as a weak base.
pHydrion paper is a chemical test indicator, i.e., it indicates the pH of a substance. 
If inserted in Ammonia, pHydrion will indicate a range of 8 to 14 because in pH scale, indication of base is over 8 and up to 14. The exact number depends on the hydrogen ion concentration of the substance.
 
        
             
        
        
        
Climate change is usually negative because if it dramatic it could kill most of species.