Quartz also has a hardness level of 7.5, so rubbing another mineral with a 7.5 hardness on it will not effect the quartz.
 
        
             
        
        
        
Answer:
A i guess
Explanation:
cell divides and forms its duplicate
 
        
                    
             
        
        
        
The plastic wrap that could have caused the browning effect is the ; Plastic wrap made of polyethylene
Ethylene is a multifunctional phytohormone that regulates growth and senescence ( softening and ripening of fruits ) in plants. Ethylene is a gaseous substance produced by fruits after they are harvested, which accelerates the softening and ripening of the fruits. 
The browning of the banana will mostly likely be caused by the presence of the ethylene in the polyethylene plastic wrap. 
Hence the plastic wrap that could have caused the browning effect on the banana is the polyethylene plastic wrap. 
Learn more : brainly.com/question/17340947
 
        
             
        
        
        
Answer:
The lowest level, which is usually the producers.
Explanation:
This is because on every level of the trophic system, some energy is lost before the next level. So the level with the least lost energy is the lowest
 
        
             
        
        
        
Answer:
Ok, no boxes but whatever
Mammals - Endothermic Homeostasis (Warm Blooded), Hairy Body, Have babies live
Birds - Endothermic Homeostasis(Warm Blooded), Have eggs, feathers, claws
Bacteria - Single celled, use binary fission to divide
Fungi - Multi or single celled, have chitin cellular walls
Plants - Have cellulose plant walls, multicellular organism
Archae Bacteria - Same as normal, except they live in crazy enviorments, like at the bottom of the ocean or in a volcano or radiation pool
Protozoa - Single celled organism class, like ameoba