Answer:
d
Explanation:
bacteria is a small rna and there are millions of them they are not big enough to have dna 
 
        
                    
             
        
        
        
I think it A because Cyanobacteria absorb co2 from the atmosphere and then release oxygen To the atmosphere
        
             
        
        
        
Answer:
Clean air and water are limited resources. ... The conservation of natural lands and of working farms and forests can generate financial returns, both to ... In addition to health and food benefits, conserving land increases property values near ... and the creation of trails and parks are often viewed in terms of their costs.
Explanation:
Hope that helped
 
        
             
        
        
        
Answer:
<em>Cell Differentiation</em> is the process through which cells become specialized. 
Think about the name, cells become different from one another, becoming specialized into different types.