Needles.
Sharing needles or things that you can eject through your skin (ex. drugs)
Infected tattoo needle that wasn't cleaned and disinfected properly
For each of the examples, simple diffusion, carrier, and channel mediated, each type involves the flow down a concentration gradient. This means that the molecules flow from an area of high concentration to an area of low concentration. In turn, this allows for a passive process, meaning no ATP is needed! I hope this explains your question.
I know 14 is WR for all the squares
Answer:
Correct Answer is Brazil
Explanation:
Took the test and got full marks