Use the following stimulus to answer the next question
Unbalanced Sex Ratio
30
75-79
70-74
65-69
60-64
55-59
50-54
Males
Pemales
40-44
35-39
10.14
25-29
20-34
15-19
10-14
5.9
0.4
12 10 6 2 8 10 12
Percent
Som United Nations
24. The sex ratio represented in the age-sex graph above for Country X is
most likely the result of
1 point
O high infant mortality
O undercounting of females
What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.