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Questions and Answers
What phenomenon causes the Northern Lights to occur?
Which of the following locations is not mentioned as a good place to view the Northern Lights?
How large is the Great Barrier Reef?
What is a significant threat to the biodiversity of the Great Barrier Reef?
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Which river is responsible for carving the Grand Canyon?
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Which animal is NOT mentioned as commonly found in the Grand Canyon?
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What is a notable characteristic of the Great Barrier Reef?
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How long is the Grand Canyon?
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Study Notes
The Seven Natural Wonders of the World
- The Seven Natural Wonders of the World are stunning representations of Earth's incredible beauty.
- Volcanoes, barrier reefs, and massive landforms are some of the natural wonders.
The Northern Lights
- The Northern Lights, also known as auroras, are a breathtaking phenomenon.
- They are created when electrically charged particles from the sun collide with the Earth's atmosphere.
- They can be seen in countries near the North and South poles, including Canada, Greenland, Norway, and Iceland.
Great Barrier Reef in Australia
- The Great Barrier Reef is the largest coral reef in the world, spanning over 133,000 square miles (344,400 km2).
- It consists of over 2,900 individual reefs and 900 islands.
- The reef is home to a diverse array of marine life, including over 1500 species of fish, turtles, sharks, seahorses, and various whale and dolphin species.
- The reef faces threats from climate change, but efforts are made to protect it through fishing restrictions and responsible tourism practices.
Grand Canyon, the United States of America
- Located in Arizona, the Grand Canyon is a massive canyon carved by the Colorado River over millions of years.
- The canyon is 227 miles (446 km) long and has a significant elevation change from the river to the highest point.
- Despite the harsh environment, the canyon supports a variety of plants and animals, including rodents and bats.
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Description
Explore the awe-inspiring Seven Natural Wonders of the World, including breathtaking phenomena like the Northern Lights. Learn about incredible landscapes such as the Great Barrier Reef and the ecological diversity they support. Understand the environmental challenges these wonders face and their significance to our planet.
