The graph shows three different projections of human population growth. 16,000
14,000
U. N. High
12,000
A
UN
Medium
10,000
B
Millions of people
68,000
C
U. N. LOW
6,000
Actual
4,000
D
2,000 Estimated
0
1800
1840
1880
1920
0961
2000
2040
OROZ
Which two colored lines on the graph show the human population reaching
carrying capacity?
A. Line B and line D
B. Line A and line B
O C. Line B and line C