1. Which is true about Chad? O Mortality rate is low, life expectancy is high
O Mortality rate is high, life expectancy is high
Mortality rate is high, life expectancy is low
O mortality rate is low, life expectancy is low

The large connected urbane area from boston to washington, d.c. is often referred to as

What does a movement along the demand curve show

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.