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Elena L [17]
3 years ago
5

A practice that involves the clearing of trees and brush for short-term farming

Geography
1 answer:
natka813 [3]3 years ago
8 0

Such a practice is known as shifting cultivation or slash-and-burn. This was used by tribal people and American Indians for farming. They clear the land, grow crops for a few years, and move away when the land is fallow, allowing the land to regain nutrients and the forest to grow back. They generally return to the land in 10 to 12 years.

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Imagine you were able to travel back in time to any place you wanted to witness the evolution of humans. Answer the following qu
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Distance to Neptune at the farthest < distance to the star Betelgeuse < distance to the star VY Canis Majoris < distance to the galaxy Large Magellanic Cloud

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Firstly, we need to work with the same units in order to make the comparison among the given distances. So, let's work with kilometers (km):

distance to the star Betelgeuse: 640 ly

640 ly \frac{63000 AU}{1 ly} \frac{1.5(10)^{8} km}{1 AU}=6.048(10)^{15} km

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distance to the galaxy Large Magellanic Cloud: 49976 pc

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distance to Neptune at the farthest: 4.7 billion km

4.7 billion km=4.7(10)^{12} km

Now that we have all the distances in kilometers we can compare and arrange them in order from least to greatest:

Distance to Neptune at the farthest: 4.7 billion km=4.7(10)^{12} km

Distance to the star Betelgeuse:  640 ly=6.048(10)^{15} km

Distance to the star VY Canis Majoris: 3.09(10)^{8} AU=4.635(10)^{16} km

Distance to the galaxy Large Magellanic Cloud: 49976 pc=1.54(10)^{18} km

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