In a population of rabbits, the frequency of q is 0.37. what is the frequency of p?
a 0.37
b 0.50
c 0.63
d 0.86

C 0.63

p + q = 1

Population density refers to the amount of population per unit area or unit volume. Most densely populated territories in the world are city-states and microstates. These territories usually have a small area, but with a high level of urbanization, and are economically stable. For these reasons, inhabitants draw nearer to them. 

Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors