Answer:
ice melting
Explanation:
Because once it melts you can change it back to ice.
 
        
             
        
        
        
Answer:
can u try to calculate it and you will get the answer
 
        
             
        
        
        
The electric potential energy of the point charge is 4.
the electric potential energy of the point charge at 1.3 m is 5.2.
 
        
                    
             
        
        
        
Answer:

Explanation:
From the given information, the LED is operating with a given wavelength of 850 nm or 0.85 μm.
Hence, the material dispersion is 
Now, using the pulse spread formula:


Thus, the pulse spreading as a result of  material dispersion is:
 
        
             
        
        
        
<u>Answer:</u>
<em>They are a lot of religions and faiths across the globe.
</em>
<u>Explanation:</u>
There are  a lot of monotheistic and polytheistic religions across the world that took origin at different points in the past. 
Some of them are:
- Christianity- It is a monotheistic religion based on the teachings of Jesus Christ believed to be the son of god.  
- Confucianism it evolved in China and is based on the teachings scholar and philosopher Confucius. It is a largely secular and humanistic.
- Buddhism it is based on the life and teachings of Gautama Buddha. Buddhism advocates a way of life with meditation and instructs its followers to be compassionate, kind and wise.  
- Hinduism –It evolved during the period of Indus valley civilisation and is a polytheistic religion. Hinduism beliefs mention rebirths or ‘punarjanma’.
- Islam- Islam is a monotheistic religion.It considers Muhammad as the messenger of only god Allah.