Yes, geographers do study the growth pattern of world population; its a branch of geography called demography
The answer would be C) Shifting of sea floor due to movement of tectonic plates. (Huge waves need an abrupt force to cause them)
NOT
the election of a democratic leader in the Arab state of Tunisia.
MAYBE
the adoption of a democratic-leaning constitution in Libya.
Answer
300
Explanation
At first Freya started with 200 yards.
Then she gradually increased her distance by adding 5 yards a day for 2 days.
The formula for the model is given by;
X=200+(n-1)5. Where X=the distance she sprint on day 21
X=200+(21-1)5
X=200+ (20)5=300 yards
I don’t know the answer sorry