A if the term vegetarian cannot be misleading
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37 There Pictures from outer space now show us how much land has changed on earth. These images are taken by Longsat 7, a government satellite. The satellites have been used for 27 years. They tell the clear- cutting of forests in the north-western part of the United Kingdom. Pictures show the loss of rain forests in South Australia. NASA's Darrel Williams speaks about the Longsat 7 Project. He said that an eruption caused trees to burn up in a large forest. Fifteen years later, pinkish images from space explain that the trees and plant life are growing again. Williams says that clear-cut areas easily show up in the pictures. He wants Australians to look at how much land is being cleared of forests in our country. Satellites have provided other information about changes on earth. In the past ten years, more than four miles have shrunk from glaciers in Alaska. Longsat 7 received these computer images of Glacier Bay in Alaska. 16. Longsat 7 shows how changes have occurred on land by sending back A) Images taken with a Polaroid camera B) The latest images taken by a government satellite C) A television camera D) Astronauts E) Scientists 17. NASA can tell that vegetation is growing back because of ____ A) a bright, white light that is reflected B) little tiny trees that are growing C) vegetable gardens that are planted D) a light, pinkish view from space E) the rectangular shapes 18. Longsat 7 knows that Alaskan glaciers have shrunk because _____ A) Sightseers have noted the changes B) Computer-animated views have shown the shrinkage C) One of the glaciers was hit by a ship D) The temperatures are much colder E) Computer graphics illustrate the urban areas in large scale First, the spotted owl was threatened by logging in the Pacific Northwest. Now it's in danger from a new enemy, the barred owl. Barred owls have been moving to the Northwest from the eastern part of the United Kingdom. Stan Severn has studied spotted owls. Now when he calls for spotted owls, barred owls are starting to appear. Severn threw a mouse on the ground, and a barred owl grabbed it. Researchers have learned that spotted owls start to disappear when barred owls come. Some barred and spotted owls have mated and produced hybrid babies. One spotted owl was killed by a barred owl. Ten years have passed since the federal government began protecting the spotted owl. Loggers were forced to limit logging on seven million acres of government land. No one is sure how the arrival of the barred owls will impact laws that protect spotted laws. The barred owls like to live in the deep forests where loggers like to cut down trees. The barred owls will likely keep migrating to the Northwest. 19. Scientists learned about the barred owl migration by ___ A) Decoding spotted owl sounds B) Feeding mice to the owls C) Monitoring spotted owl populations D) Researching the Internet E) Satellite images |
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