Answer:
mosses
Explanation:
Simple species that can tolerate the often- harsh environment become established first. These organisms help enrich the soil, allowing other species to become established. The first organisms to appear in areas of primary succession are often mosses or lichens.
 
        
             
        
        
        
Answer:
O2 (oxygen)
Explanation:
Photosynthesis- the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
 
        
             
        
        
        
Sedimentary and metamorphic rocks?
        
             
        
        
        
C Pollutant just like emissions or oil spills
        
             
        
        
        
Answer:
state what the lab is about.
If you are having trouble writing the opening sentence of the report pls follow these tips..
Title. The title says what you did. ...
Introduction or Purpose. Usually, the introduction is one paragraph that explains the objectives or purpose of the lab. ...
Materials. List everything needed to complete your experiment.
Methods. ...
Data. ...
Results.
Hope it helps, Pls Mark as Brainliest!!