Answer:
The correct option is (b).
Explanation:
Given that,
Electric field, 
We need to find the magnitude of the force on the electron as a result of the electric field.
We know that, the electric force is given by :
So, the required force on the electron is equal to 
.
Factors that affect heat transfer are:
1) Difference in temperature,
2) Mass of the object
3) Specific heat of the object
Hope this helps!
Answer:
C. Supervising the game to make sure teams are playing fairly
I believe you are right. pH is the concentration of H+. Therefore the more acidic the more H+.
