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what do people build to cross deep rivers or valleys?

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What cross valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers?

The choices for this question are either a: U cross-Valley Profile, Y Cross-Valley Profile, V cross-valley profile, or S Cross Valley Profile.The answer to this question is a: U cross-valley profile is typical of canyons and valleys eroded by alpine or valley glaciers.


What cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers?

The choices for this question are either a: U cross-Valley Profile, Y Cross-Valley Profile, V cross-valley profile, or S Cross Valley Profile.The answer to this question is a: U cross-valley profile is typical of canyons and valleys eroded by alpine or valley glaciers.


How can you tell if a valley was formed by a glacier?

Valleys formed by glaciers typically have a U-shaped cross-section, steep sides, and a flat or gently sloping bottom. They may also exhibit features such as moraines, striations, and erratics, which are rocks of different composition that were carried and deposited by the glacier.


What major seas deserts mountains and rivers are in Puerto Rico?

Puerto Rico is an island in the Caribbean Sea and does not contain major deserts or mountains. However, it is home to several significant rivers such as the Río Grande de Arecibo and the Río Grande de Loíza.


Why are cross-sections a useful tool for the geographer?

Cross-sections allow geographers to visualize and analyze the elevation profile of a landscape along a specific line or transect. This helps in understanding the topographic features, landform variations, and geological structure of a region. Cross-sections are particularly useful for identifying slopes, valleys, ridges, and other landforms that influence the movement of water, people, and wildlife.