Answer:
Rocks, oxygen, soil, mud, dirt, air, rain, snow, sunlight, temperature, water, air, wind, rocks, and soil.
 
        
             
        
        
        
Meiosis: cell division into four daughter cells (each has half the number of chromosome of the parent cell)
mitosis: cell division that results in two daughter cells (each has the same number and type of chromosomes as the parent cell)
        
                    
             
        
        
        
Answer:
Front the atmosphere that's from environment
 
        
             
        
        
        
The Silurian period occurred before the Neogene period.
I hope this helps.