Answer: Bob's private key
Explanation:
Since Bob is sending Alice the message, it simply implies he must have encrypted it with his key that Alice can be able to use to decrypt the message.
 
        
             
        
        
        
Answer: gravitational force between them will be reduced by one - fourth ( 1/4) of its initial value. 
Explanation: Gravitational force between two bodies obeys inverse square law. That is, gravitational force between two bodies is inversely proportional to the square of the distance between the two bodies. 
When the mammoth is at a distance that is twice the original distance, the gravitational force between them will be reduced by one - fourth ( 1/4 ) of its initial value. 
 
        
             
        
        
        
Answer:
both proton and neutron are subatomic particle
Explanation:
hope this helps u stay safe
 
        
             
        
        
        
A reactant since it is on the left of the arrow
        
             
        
        
        
Moon was rotation Earth or sun
it's own orbit . universe is not end