The answer is "facial feedback" effect.
The <span>facial feedback effect theory explains that when someone imitates some facial expressions it actually affect his or her emotional response, for example if during an even one person who is not enjoying the event is forced to smile and laugh, eventually he will find the even more joyful and might start enjoying the event.</span>
Answer:a
Explanation:
The Present value of cash Flow increases as the discount rate decreases as there is an inverse relation with discount rate.
Mathematically,

Where
PV=Present value
CF=cash Flow
r=discount rate
t=time
as r decreases PV increases
Answer:
b. Actual self-concept.
Explanation:
Actual self-concept: In psychology, the term actual self-concept is described as an individual's representation of the different attributes that he or she believes to possess as well as his or her believes that the other person might believe he or she possesses. It is considered as the basic self-concept of an individual i.e, his or her perception related to his or her attributes, fr example, attractiveness, intelligence, athleticism, etc.
In the question above, the given statement signifies the actual self-concept.
I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.