Which country has the lowest people per square mile?
a. namibia
b. australia
c. guyana

answer: option d : 3.85 units

step-by-step explanation: in the given figure the blue line is diameter   .the diameter is the blue line which equals 7.7 units.radius is half of diameter .radius = 7.7÷2=3.85 units.

option d is the right answer.

explanation:

mark brainliest and have a great dayz1

answer; i thinking 4.5 million. in sydney australia;