Answer:
- Learning about, using, and understanding these pyramids is an ... sides, age on the y-axis, and the percentage of population on the x-axis. ... Rather, it displays percentages and shows what portion of people fall ... The more a graph looks like a pyramid, the faster that population is growing; old generations ...
Explanation:
 
        
             
        
        
        
Answer:
d
Explanation:
Condensation nuclei are important because they form the basic building blocks of clouds. The condensation nuclei are tiny particles on which water vapor molecules form to create the most basic elements of clouds. 
Later, other water molecules continue grouping around the original condensation nuclei and get larger to form raindrops. 
 
        
             
        
        
        
A. Is covered with savanna.