Desert plants . . . . . . have to go without fresh water for years at a time.		is able to
These areas have two seasons: a growing season and a dormant sea- son. During the dormant season, no grass . . . . . . grow because it is too cold.		might have been
Grasses . . . . . . survive fires because they grow from the bottom instead of the top.		not able to
Many cities in developing countries in particular are growing too rapidly for their own good, with many residents . . . . . . find jobs and forced to live in slums.		may
Scientists think there . . . . . . a cooling in the Earth’s atmosphere during the Late Cretaceous Period.		can