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>
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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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Answer:
Gen Z will have a low birthrate, a low death rate, and the population will be rapidly aging.
Explanation:
Gen Z is a term used for the generations born after 1995, though it has to be taken that what is attributed as characteristics of these generations did not start at the same time everywhere, it is mostly in the developed countries. The demographic trends of Gen Z are expected to be significantly different to that of the boomers, and the signs are already there as the oldest members of this generation have 25 years of age.
The changes in society and significant exposure to technological devices that replace human contact in person are resulting in much higher levels of physical isolation. Also, with men and women having the same opportunities and both genders focusing on having as higher education as possible and later focusing on a career, means that the marriage is delayed significantly, with a big portion also not planning to get married at all. This will result in a sharp drop in the birthrates, while the death rates will also be very low. The population will be rapidly aging and it will start to experience a decline.
A pattern of stars in a particular region of the night sky is know as a constellation.
Answer: Linear Village.
Explanation:
A settlement is a place where a group of people lives in buildings. The settlements have different names according to how the buildings are arranged.
It is known as a linear (or chain) village to settlements that are built on the edge of a single road, canal, or the bank of a river forming a straight line. These settlements usually have small or medium sizes and have a linear shape due to the geographical area where they settle. For example, many villages located on the shore of the coast tend to have a linear form because the buildings are usually parallel to the coast.
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The correct answer is - rain forest protection.
One of the biggest environmental concerns in the Central American region is the protection of the tropical rain forests. Even though Central America is a relatively small region, it has an abundance of rain forests, but as the years pass by, there's major environmental concerns about their well being, and even about their existence.
Central America is in general a poor region with lot of problems, and unfortunately, when the people don't have it easy, they don't seem to care about the environment, especially if they see it as a source of income. The concerns are becoming bigger and bigger about the rain forests because more and more area is cleared out so that the land can be used for agriculture. Also the poaching of exotic animals, as well as the selling of high quality timber on the black market, are making a huge problem in the protection of the rain forests.
