Answer:
Limestone and marble can be dissolved by weak acids in rain.
Explanation:
Limestone and marble weather faster than granite because they can be dissolved by weak acids in rain.
The number that Colorado River would have to downcut per year to form the mile-deep canyon in 4 million years is 0.40 millimeter per year.
Depth of canyon = 1 mile
Time taken = 4 million years
Based on the above information, the rate will be:
= Depth / Time taken
= 1 mile / 4 million years
= 0.25 mile / million year
Note tha<em>t 1 mile = 1609344 millimeter</em>
<em />
Therefore, the rate will be:
= (0.25 × 1609344) / 1000000 years
= 0.40 millimeter / years
In conclusion, the rate is 0.40 millimeter per year.
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True, The Equator runs through Lake Victoria.<span />
Answer: False
Explanation: This is the definition of an exurb. An exurb is farther from the city than a suburb and has less population density.
In contrast, an edge city is built to cater to Industrial or economic activity. It is located in the suburbs and offers more space for commercial activities, so it is possible for companies to locate their headquarters or the less customer facing aspects of their business here. It also has a high number of recreational centers such as theme parks and shopping malls.
Answer:
There are no predictions currently, but Yellowstone's ecosystem will remain unaffected by climate change for a long period of time. Land use is continually studied to gain information concerning climate change, wildfires, and management of migratory wildlife.
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