Hi there, 
Speed of sound in water is approximately 1500 meters per second (the exact speed depends on the depth of water and its density) and the speed of sound in air is approximately 340 meters per second. So sound is almost 4.4 times faster in water than in air. I hope this helped :)
        
             
        
        
        
Answer:
prenatal environments
Explanation:
Depending on the number of fertilized eggs and when the zygote division occurs, there are different types of twins. For example, If the zygote is formed by the union of an ovule and a sperm that after fertilization is divided to create two embryos, they are born identical twins, these babies carry the same genetic information.
 
        
             
        
        
        
Maybe if you show the question people could answer
        
             
        
        
        
Answer:Latitude and ocean currents
 
        
                    
             
        
        
        
The answer is D cuz I just looked up a lot of it and saw the pics so ya its D