Two things that INCREASE population, would be an increase in leisure space. Another is if the area is sustainable for life. Two things that would DECREASE population, would be a scarcity of any required resources. A decrease in space, and not a sustainable area.
        
             
        
        
        
Answer:
✔ Xylem ** is the correct answer
Explanation:
Xylem is the water transporting tissue in plants
 
        
             
        
        
        
NOUN
the natural coloring matter of animal or plant tissue.
VERB
(pigmented)
color (something) with or as if with pigment.
"pigmented areas such as freckles"
 
        
             
        
        
        
Answer:
Intelligence
Explanation:
Intelligence is basically the ability to learn. It is described as being able to gain knowledge and skills and applying it. So it is not just about knowing things and being able to do things, it also has something to do with being able to "use" knowledge and skills. 
With that, the individual is able to understand or like it is mentioned in your question, <u>grasp</u> complex ideas and at the same time, they can use those complex ideas to solve complex problems. 
 
        
             
        
        
        
Answer:a
Explanation: just had the question