Answer:
Sensors that measure a variety of essential soil properties on the go are being developed. These sensors can be used either to control variable rate application equipment in real-time or in conjunction with a Global Positioning System (GPS) to generate field maps of particular soil properties. Depending on the spacing between passes, travel speed, and sampling and/or measurement frequency, the number of measurement points per acre varies; however, in most cases, it is much greater than the density of manual grid sampling. The cost of mapping usually is reduced as well.
Explanation:
The reaction by Nick when Gatsby tells him about things like his time at Oxford, his medals for his service in the war, and his time living "like a young rajah in all the capitals of Europe'' was that he thaught t<span>hey impress Nick, who envies Gatsby's adventurous and eventful past.
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The correct answer would be A
