For each of the following, choose the sentence that best corrects the run-on.
For help with this exercise, see Chapter 17.
example
Some people doubt the existence of climate change, few can deny that the weather has become more extreme and dangerous.
a. Some people doubt the existence of climate change, so few can deny that the weather has become more extreme and dangerous.
b. Few can deny that the weather has become more extreme and dangerous and some people doubt the existence of climate change.
c. Although some people doubt the existence of climate change, few can deny that the weather has become more extreme and dangerous.
More than sixteen hundred tornadoes tore through the United States in 2011, hundreds of people lost their lives.
| A. |
| B. |
| C. |
That same year, parts of the Midwest experienced severe flooding droughts in Texas cost farmers more than $7 billion.
| A. |
| B. |
| C. |
Some cities are taking steps to adapt to environmental changes, they are focusing on the biggest threats.
| A. |
| B. |
| C. |
Global temperatures are rising, sea levels are also rising—a threat to coastal regions.
| A. |
| B. |
| C. |
As a result, some coastal cities are planning to build protective walls, others are raising roadbeds.
| A. |
| B. |
| C. |
Extreme heat is another major problem, urban planners are studying different ways to address it.
| A. |
| B. |
| C. |
New York City is painting some rooftops white, light and heat will be reflected away from the city.
| A. |
| B. |
| C. |
In Chicago, landscapers are planting heat-tolerant trees, these trees should help cool the environment and reduce flooding during heavy rains.
| A. |
| B. |
| C. |
All these efforts are encouraging most parts of the United States are doing little or nothing to plan for ongoing environmental changes.
| A. |
| B. |
| C. |
One study reports that only fourteen states are undertaking such planning the threats of severe weather remain.
| A. |
| B. |
| C. |