The correct answer is - A) subsistence farming.
Subsistence farming is the type of farming that is mostly practiced in the less developed countries. In here we have production that is just about enough for the needs of the country (and big portion of the production doesn't even come out on the home market, but you eat what you produce, or trade with someone you know). Also this type of farming is still based on primitive tools and is heavily dependant on the climate, and that makes it very unstable and more often than not people are starving because not enough food has been produced.
The technology that is used to service space vehicles and other equipment is space station.
<h3>What is technology?</h3>
Technology are new innovation, idea and discoveries. It involves the use of computerized system to make work easier and efficient.
To service a space vehicle a space station is a used.
The space station operates in the air and is capable f supporting a human crew that works in the other space equipment. The station serves as a workshop to retreat and fix all damages equipment and machineries used in space.
Therefore, the technology that is used to service space vehicles and other equipment is space station.
Learn more on space station below
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Polynesia Island was the most recently settled