D. Give reasons.
1. A number of bays and gulfs are formed along the coast of North America.
2. Mt McKinley is covered with snow.
3. The Great Basin is an area of in low drainage.
4 The Western Cordilleras are a part of the Pacific Ring of Fire.
5. The northern part of the Canadian Shield remains covered with snow for a major part of the yeaz
6. The Appalachian rivers are important for hydroelectricity production
7. The Central Lowlands are agriculturally very important.
Answers
Explanation:
A number of bays and gulfs are formed along the coast of North America.
Bays and gulfs are concavities formed by tidal erosion in the coastline of an ocean, lake, or sea. The difference between a bay and a gulf is not clearly defined, but the term bay usually refers to a body of water somewhat smaller than a gulf.
Mt McKinley is covered with snow.
The upper half of Denali is permanently covered with snow and many glaciers, some more than 30 miles (48 km) long. The mountain's extreme cold, which can be minus 75 degrees Fahrenheit (minus 60 degrees Celsius) with wind chill down to minus 118 F (minus 83 C), can freeze a human in an instant.
The Great Basin is an area of in low drainage.
The hydrographic Great Basin is a 209,162-square-mile (541,730 km2) area that drains internally. All precipitation in the region evaporates, sinks underground or flows into lakes (mostly saline). As observed by Fremont, creeks, streams, or rivers find no outlet to either the Gulf of Mexico or the Pacific Ocean
The Western Cordilleras are a part of the Pacific Ring of Fire.
The Western Cordilleras i.e. the western part of North America from Alaska to the Isthmus of Panama consists of young fold mountain ranges which contain very active volcanoes and lie close to the pacific ocean thus forming a part of the ' Pacific Ring of Fire'.
The northern part of the Canadian Shield remains covered with snow for a major part of the year
The current surface expression of the Shield is one of very thin soil lying on top of the bedrock, with many bare outcrops. This arrangement was caused by severe glaciation during the ice age, which covered the Shield and scraped the rock clean
The Appalachian rivers are important for hydroelectricity production
Appalacian rivers are more effective for hydro-electricity production as it has greater currents and a larger volume of water.
The Central Lowlands are agriculturally very important
A productive combination of fertile low-lying agricultural land and significant deposits of economically valuable coal and iron have led to the Central Lowlands being much more densely populated than the rest of Scotland.
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