CELPIP Reading Part 3 Practice Test: The Fascinating World of Glaciers: Earth's Frozen Rivers

Paragraph A

Glaciers, massive bodies of ice formed from compacted snow, have shaped Earth for millions of years. They cover about 10% of the planet’s land, mostly in Antarctica and Greenland. Glaciers form when snowfall exceeds melting over centuries, creating dense ice layers. They move slowly, carving valleys and mountains as they grind rock beneath them. In the Ice Age, glaciers sculpted much of North America and Europe. Studying their layers reveals climate data from thousands of years ago. However, accessing glaciers for research is dangerous due to crevasses.

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Glaciers are vital water sources, feeding rivers and lakes during warm months. In the Himalayas, they supply water to millions in India and Pakistan. Melting ice regulates sea levels, but rapid melting raises concerns about coastal flooding. Glaciers also support unique ecosystems, like algae that thrive on their surfaces. Tourism thrives in places like Alaska, where visitors explore ice caves. However, guiding tours requires expertise to avoid accidents. Glaciers’ beauty draws adventurers, but their fragility demands protection.

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Climate change threatens glaciers, with many shrinking at alarming rates. Since the 1980s, Patagonia’s glaciers have lost significant mass due to rising temperatures. Scientists use satellites to monitor retreat, predicting impacts on water supplies. Some communities face droughts as glacial runoff decreases. Efforts to slow melting include reducing carbon emissions, though results take decades. Artificial glaciers, built in places like Ladakh, India, store ice for dry seasons. These innovations show promise but cannot replace natural glaciers.

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Glaciers hold cultural significance for many indigenous groups, who view them as sacred. In Canada, Inuit communities share stories of glaciers as living beings. Modern science collaborates with traditional knowledge to study ice changes. Glaciers also inspire art, with photographers capturing their blue hues. However, their retreat creates economic challenges for tourism-dependent regions. Future preservation may involve geoengineering, like insulating ice with reflective blankets. Such measures spark debate over cost and effectiveness.