[Sentence Correction]

Despite a growing population, in 1998 the United States used 38 billion fewer gallons of water a day when comparing it to the period of all-time highest consumption almost 20 years earlier.

[Sentence Correction]

Both the caribou and the reindeer belong to the species Rangifer tarandus, but after 7,000 years of domestication in Eurasia, reindeer have developed a tendency to circle in tight groups, while caribou tend to spread far and wide.

[Sentence Correction]

Both the caribou and the reindeer _{belong to the species Rangifer tarandus, but after 7,000 years of domestication in Eurasia, reindeer have developed a tendency to circle in tight groups, while caribou tend} to spread far and wide.

[Sentence Correction]

Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.

[Sentence Correction]

Astronomers have uncovered evidence that a star that was as bright as the full moon exploding into view 340,000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.

[Sentence Correction]

_{Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil}, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.

[Sentence Correction]

Astronomers have uncovered evidence that a star _{that was as bright as the full moon exploding into view 340,000 years ago, emitting} dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.

[Sentence Correction]

Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.

[Critical Reasoning]

Ten years ago the number of taxpayers in Greenspace County was slightly greater than the number of registered voters. The number of taxpayers has doubled over the last ten years, while the number of registered voters has increased, but at a lower rate than has the number of taxpayers.

Which of the following must be true in Greenspace County if the statements above are true?

[Critical Reasoning]

Ten years ago the number of taxpayers in Greenspace County was slightly greater than the number of registered voters. The number of taxpayers has doubled over the last ten years, while the number of registered voters has increased, but at a lower rate than has the number of taxpayers.

Which of the following must be true in Greenspace County if the statements above are true?