it is DNA's Code. hope i helps
 
        
             
        
        
        
The difference between butterflies and moths is a lot like the difference between frogs and toads. There are some rules of thumb you can follow to tell them apart, but there are also exceptions to those rules. Next, we'll look at exactly what makes a butterfly different from the moth and what clubs and feathers have to do with it.
        
                    
             
        
        
        
The principal advantage of asexual reproduction is that the organism does not have to waste time or energy looking for a mate.
        
             
        
        
        
The expirement is saying show the circle of water 
1.the water mocules move apart so it is a gas 
2. when the water mocules build  up in the cloud  and the water relese
3. the rain freezes then meltes and starts all over to 1
        
                    
             
        
        
        
Answer:
Explanation:
Earth Day is an annual event created to celebrate the planet's environment and raise public awareness about pollution. The day, marked on April 22, is observed worldwide with rallies, conferences, outdoor activities and service projects.