By 2050, the world's population is expected to be
a. 5 billion.
b. 5.7 billion.
c. 9.8 billion.
d. 6.1 billion.
e. 7.9 billion.
Answer: c. 9.8 billion
By 2050, the world's population is expected to be
a. 5 billion.
b. 5.7 billion.
c. 9.8 billion.
d. 6.1 billion.
e. 7.9 billion.
Answer: c. 9.8 billion