Today, land in urban areas typically is used for housing, transportation, and other structures, rather than for agriculture, primarily due to . A. advancements being made in irrigation techniques B. fewer Americans engaging in agriculture C. people relying more on other areas of the economy D. transportation time and shipping costs being reduced

D. transportation time and shipping costs being reduced

Explanation:

In the case of the urban areas, the used of housing, transportation, the other structures would be considered instead of the agriculture and this is because of the time incurred for the transportation and the cost of the shipping could be decreased

So as per the given situation, the option d is correct

20

Step-by-step explanation:

10 + 8 + 2 = 20