metal is corrosive to the skin. foot carries large amounts of bacteria. foot is the most sensitive part of the body. metal may be contaminated and cause infection.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: If a child scrapes his foot on a piece of rusty metal, it is important to get medical treatment because the
Possibilities:
- metal is corrosive to the skin.
- foot carries large amounts of bacteria.
- foot is the most sensitive part of the body.
- metal may be contaminated and cause infection.

metal may be contaminated and cause infection.