Unit1 our earthAudio Track 4-1-2/Audio Track 4-1-3Blake: What are you working on, Mary?Mary: I’m finishing my paper. It’s due tomorrow, Blake.Blake: What’s the topic?Mary: It’s about Greenland.Blake: Greenland. Hmmm … that’s part of Canada, right?Mary: I think you need to study your world geography, Blake.Blake: Well, isn’t it near Canada?Mary: Yes, it’s off the coast of northeast Canada, but it’s part of Denmark.Blake: Oh, I didn’t know that. Well, what’s your paper about exactly?Mary: In my paper, I answer the question “Is Greenland really green?” In other words,is Greenland covered by a lot of plants and trees?Blake: Is it?Mary: What do you think?Blake: Let’s see … Greenland is in the Arctic Circle — way up north. It’s cold, … so“Is Greenland really green?” I’d answer “probably not.”Mary: You’d be correct. It’s too cold there. In the north, a lot of the ground is frozen.The summers are short, so only the surface thaws.Blake: That sounds tough.Mary: It’s hard for the construction industry. It’s not easy to build in Greenland.Blake: It sounds so harsh. Why would anyone want to go there?Mary: There are big mountain ranges on the coasts. They’re great for hiking andoutdoor sports. And there are lots of animals there. You can sometimes see whalesswimming in the harbors.Blake: That sounds cool! OK, so if it’s not really a “green” place, why was it named“Greenland”?Mary: The first settlers wanted to attract other people. They gave it an attractive name.Audio Track 4-1-4/Audio Track 4-1-5Jay: Come in here, Elise. You should see this show!Elise: What is it?Jay: It’s called “The Titanic of the Sky.” It’s about the Hindenburg, a greatengineering feat.Elise: The Hindenbur...