It should be option (A) because conduction is the transfer of heat energy from one place to another by vibrations/motion of the molecules. I hoped I helped. 
        
             
        
        
        
Answer:

Given:
Mass = 14.0 g
Density ( ) = 1.38 g/cm³
) = 1.38 g/cm³
To Find:
Volume (V)of the plastic used to make water bottle
Explanation:
Formula:

Substituting value of m & density in the formula:


Volume of the plastic used to make water bottle = 10.14 cm³
 
        
             
        
        
        
Answer:
The answer is the letter A.
Explanation:
It is letter A because of Chlorine needs an electron to have a full shell. So, it will receive a negative one because it is gaining an electron. Potassium lost an electron because the element has to share the electron with Chlorine to balance its properties.