Heart disease is the leading cause of death in the United States.Stroke is the fifth leading cause of death in the United States. Together, heart disease and stroke, along with other cardiovascular diseases, are among the most widespread and costly health problems facing the Nation today.
You are going to work on words and expressions which are originally African-American and are now widely used in English-speaking environments and applied in informal contexts.
Pluto, once considered the ninth and most distant planet from the sun, is now the largest known dwarf planet in the solar system. In 2006, Pluto was reclassified as a dwarf planet, a change widely thought of as a demotion.