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 sun and the planets formed together 4,6 billion years ago from clouds of gas and dust called the solar nebula
