Answer:
Merlin's paper discusses two types of data: artifactual and paleoethnobotanical. Give specific examples of each and describe the sources of data and the ...
 
        
             
        
        
        
I think it is b because it is a result of an environmental influence
        
             
        
        
        
Answer:
Nitrogen is an important nutrient for all plant cells, and it is component of the chlorophyll  found in leaves. Which of the following statements best describes how nitrogen is absorbed  and distributed to the leaves of the plant so that photosynthesis can take place?
Nitrogen is absorbed by the roots and distributed upwards through the xylem
Explanation:
Nitrogen are gotten from the ground by the plants before it is transported through xylem to the stem and then the leaves