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

Between 1900 and 2010, how did the world’s population change?
A.
It increased from about 1.5 billion to almost 7 billion.
B.
It decreased from about 7 billion to about 1 billion.
C.
It increased from about 5 billion to about 7 billion.
D.
It decreased from about 7 billion to about 1.5 billion.