For the first question, the options are:
one’s feelings about oneself
 environmental and family stresses
 the behavior of friends
 the behavior of admired celebrities
The key word in this question is "internal", it's looking for internal influence. This means:
one’s feelings about oneself
The second question has the options:
a parent’s behavior
one’s past experiences
one’s social tendencies
 one’s personality
Here you need an "external" influence: this would be the following option:
a parent’s behavior