One main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
<h3>What is a green house effect?</h3>
This is a natural process that happens when the gases in Earth's atmosphere trap the Sun's heat. 
Therefore, the main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.
Read more about green house effect
<em>brainly.com/question/2241458</em>
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20 meters walk south is the <u>short leg</u>. The long leg is 30 meters walk east.  Distance from 30 meters east to starting point is a hypotenuse. 
 
        
             
        
        
        
A biological community of interacting organisms and their envious
        
                    
             
        
        
        
God created heaven and the earth the sea and sky and all animals read the Bible genesis 1
        
                    
             
        
        
        
C cause our oceans and lake and river are huge so yeah