When a female animal and a male see each other the male would show off and they woulf matr and make a baby then the babys will grow up and make more
        
             
        
        
        
Melting, vaporization, boiling, and sublimation.
        
                    
             
        
        
        
Answer-The correct option is option d with says all of the above.
Explanation- All three acids that are given combined together to form acid rain in which nitric and sulphuric acid are stronger acids present while carbonic acid is a weaker one. 
The carbon dioxide admitted in air combines with water to form carbonic acid and gives a weak acidic nature to rainwater. Pollution in nature makes sulphur and nitrogen present in air react to form the stronger acids responsible for acid rain.
 
        
             
        
        
        
Answer: 
1. 4 
2. 2 
3. 3 
4. 1
Explanation: just did it on edge 2021