People have also made huge changes to other natural vegetation regions. ... As you read in Chapter 2, human activities are contributing to climate change. Changes in climate are causing changes in vegetation patterns around the world. For example, rising temperatures are causing many plant species to migrate.
Answer:
I believe you are talking about the Panama Canal, and if so...
Explanation:
The Panama Canal changed world transportation by cutting the length of traveling around South America from thousands of miles to 50 miles.
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Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
Fjord - <span>A fjord or fiord is a steep water inlet which is narrow. It is created due to glacial erosion. Long ago, when the earth was covered with glaciers, they cut bedrock into U-shaped valleys. As the glaciers moved, they would leave a narrow waterway in their path, due to melting. These waterways are called fjords.
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