Answer:
lack of industrialization
Explanation:
The developing nations are nations that are classified as nations with low development. This type of nations are usually poor, their economies are not in good condition, there is lot of corruption, and the people often don't have most of basic means for life at disposal.
Another major characteristic of these nations is the lack of industrialization. Very often, these nations have economies that are based on agriculture, but agriculture that is practiced in primitive manner and there is only one major or just few products that are being produced. 
These nations tend to stride toward industrialization, and the developed nations are helping them with funding and investments. Unfortunately, the large scale corruption is hindering this process, and these nations tend to stagnate instead of move forward.
 
        
             
        
        
        
Cloud droplets collide to form larger droplets in a process called <u>coalescence</u>
Answer: Option A
<u>Explanation:</u>
When the drop lets of the cloud which are present in the air bang into each other, the result is the formation of a bigger drop let of the cloud and this whole process is known as coalescence. 
And such big drop lets are big enough in their size which can result in the rainfall in that region. The droplet should at least reach a size of 4 mm to result into rainfall and this collision is a fast process.
 
        
             
        
        
        
Asteroids rarely pass close to Earth
        
                    
             
        
        
        
I believe it’s D. It can be a cycle
        
             
        
        
        
Agulhas Current is the cure eg that brings warm water to the southeastern tip of Africa.