According to the first chapter of your class textbook, which of the following statements on world human population growth is correct? A. In the next day, the world population will expand by 393, 000 million people. B. In the next year, the world population will expand almost by 143 million people. C. In the next 10 seconds, the world population will expand by about 45 people. D. In the next day, the world population will expand by about 237,000 people