Answer:
You need (B) Two substances in direct contact with one another to have conduction.
I hope this helped at all.
A milliliter, because it is a smaller unit of measurement more fitting for a drop of water.
For the answer to the question above, let us first start with relaxation time. it is the absence of an external electric field, the free electrons in a metallic substance will move in random directions so that the resultant velocity of free electrons in any direction is equal to zero. While the Collision time it is<span> the mean </span>time<span> required for the direction of motion of an individual type particle to deviate through approximately as a consequence of </span>collisions<span> with particles of type.</span>
Answer:
people grow by the year sometimes it even by months
