The one that you've circled (A) is the correct answer.
This contamination now allow the virus to move into another living medium (the one who actually ate the potato).
After the virus enter the eater's body, it will start to reproduce itself and caused several symtoms during the period where the antbodies inside the host's body is fighting it.
Multiple partners, monogamous relationship, unprotected sex
Answer:
Aheart attack is a build up of cholestorol that prevents the blood from flowing through the body which leads to cardiac arrest.
Explanation:
Abiotic are the nonliving things in an ecosystem such as climate and soil type.