The answer should be C. Nationality. Hope this helps! :)
The world’s population is concentrated in certain countries like China most likely because of "<span>the country’s land mass, which is much larger." China is considered as one of the largest nation. They are historically a home of various people around the world. Because of the country's population concentration, they implemented 'one-child policy.'</span>
The Parthenon had a total of 69 columns. There were 46 outer columns and 23 inner columns.
Answer:
In fact, you may point your flashlight (or laser pointer, if you prefer) at the Andromeda galaxy. There is a non-zero probability that one or more of the photons will be seen by some alien in that galaxy when they happen to glance into the sky at the Milky Way. However, you must take care to aim your flashlight not where Andromeda appears now, but where it will be in 3 million years. Good luck!
