B because the interent is spreading it, and that is the definition of diffusion pretty much
If Mary doesn't use the credit card in a responsible way, she will not have control of her expenses and may use up all the credit limit set by her parents? This will cause her being barred from using the card for more important needs. This may affect the use of the principal cards also.
Answer:
It’s the final stage of the electrical grid that distributes electricity to homes, industries, and other end users. An example of that would be combined heat and power systems.
