Which of the following is a true statement regarding sydney, australia.
a. sydney is the capital of australia.
b. 90 percent of people living in sydney were born there.
c. sydney has a tropical climate year-round.
d. quality of life surveys often rank sydney high compared to other cities.

A. Canberra is the capital of Australia
B. 78% of people living in Sydney were born overseas
C. The climate of Sydney is temperate, having warm , sometimes hot summers and mildly cool winters.
D. Sydney is a global cosmopolitan city that boasts an enviable quality of life, and was ranked 10th out of 233 cities in the 2014 Mercer Quality of Living Survey.

So, the correct answer is D)

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser