Students’ Questions Answered by Our Experts Page 197

He escaped on September 3, 1838 by boarding a train to Havre de Grace, Maryland.

The term “global warming” was first used in its modern sense on August 6, 1975, by Wallace Smith Broecker in the title of a scientific paper in the journal Science.

Global warming is bad because it is causing the Earth’s atmosphere to warm, which is causing the Earth’s climate to change.

1. Global warming is one of the most pressing environmental issues of our time.

2. It is important because it has the potential to cause great harm to our planet and its inhabitants.

No one knows for sure when global warming will end the world. However, it is clear that the world is slowly but surely being destroyed by it.

1. Use less energy.
2. Use renewable energy.

Global warming is the long-term rise in the average temperature of the Earth’s climate system. It is a major aspect of current climate change, and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming.

Frederick Douglass was an African American abolitionist, social reformer, and orator. He was born into slavery but escaped as a young man and became a leading voice in the abolitionist movement.

Frederick Douglass was an abolitionist who fought for the freedom of all slaves in the United States. He was also a social reformer who fought for the equality of all people, regardless of race.

Frederick Douglass was born on February 14, 1818.