Answer:
The correct option is H) these acids change the environment.
Explanation:
Soil can be described as the part of the environment where plants grow. In primary succession, life stars arising in an area which has no soil and only rocks, This is possible because lichens are the organisms which can grow on the rocks. Lichens secrete certain acids which break down these rocks and hence soil begins to form when these rocks break. This makes it possible for other plant species to grow on these lands. 
 
        
             
        
        
        
Answer:
nucleolus
Explanation:
The nucleus contains the cell 's DNA and directs the synthesis of ribosomes and proteins. Found within the nucleoplasm, the nucleolus is a condensed region of chromatin where ribosome synthesis occurs.
 
        
             
        
        
        
No 2 people in the world are "exactly alike", so the odds would be 0% chance.    Twins, might be closer in alike-ness, but they still aren't "exactly alike".   Hope this answered your question.
 
        
             
        
        
        
Answer:
i really dont know but i did try to help u
Explanation:
 
        
             
        
        
        
Answer:
The skeletal system provides a frame to
support and protect the body and allows the
body to move.