Answer:
A rainbow  is an optical and meteorogical phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc.
 
        
                    
             
        
        
        
It's an area of land that is covered with snow or water from rain or snow
        
             
        
        
        
Answer:
Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. Glaciers deposit their sediment when they melt. Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
Explanation:
 
        
             
        
        
        
One complete revolution on Earth around the sun takes about 362.25 days or 1 year. The 1/4 or the quarter, 25 is considered as the leap year.
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