Answer:
Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt, and crude oil.
 
        
                    
             
        
        
        
The mitosis stops when chromosomes are at the maximum condenstation, it is practically metaphase but the chromosomes are not attached to the spindles so they don't form the equatorial plate.
 
        
             
        
        
        
Answer:The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
Explanation:
 
        
             
        
        
        
D. A change in the amount of polar ice will alter how ocean currents move
        
             
        
        
        
Love and Unity :) just kiddddding aging cells stop dividing because they become senescent. They do this by sending chemical signals to each other so that they know