I'm almost certain it's C, or at least that's the argument that I hear.
The first trimester is when the embryo attaches to the placenta by the umbilical cord and the placenta make contact with the uterus.
Answer:
Memory
Explanation:
In active listening you must remember what the other person says using memory
An unintentional injury is an accident.
While an intentional injury is when you harm yourself or others on purpose.
Unintentional
A girl falls and scrapes her knee during soccer.
Jake sprained his ankle during practice
Intentional
A boy decides to cut himself
Noel broke her arm so that she wouldnt have to go to school.