Analyze the graph below and answer the question that follows. A line graph of world population. The x-axis is labeled 1900 to 2010. The y-axis is labeled Population in billions from 0 to 7. In 1900, the population is almost 2 billion. In 1960, the population is 3 billion. In 2010, the population is almost 7 billion. Image by NASA Analyze the graph above. How is the world’s population changing, and what is its population today? Give your response in at least two or three sentences.