The trolleys have been reduced over the last decades, after their initial increase as a public transportation, when new and better ways were discovered/produced for transport, their decline has started.
The buses since their invention, had grown in number and became a very important part of every city's public transportation, and still are.
The rapid transit is the most recent one of the mentioned in here. It's popularity has grown, number increased, and is very practical because it is not causing traffic mess. It is very important transport asset nowadays and makes lives of millions of people much easier.
Answer:
C. Improved technology in agriculture means it takes fewer farmers to produce the food the country needs.
Explanation:
The development of farming equipment has caused a reduction in the need for manual labor. Machines such as combine harvesters allow for vast amounts of farm work to completed in a short period. It also helps with extensive commercial farming which means there are bigger farms and fewer farmers. The Green Revolution in the mid-1900s saw the development of high yield variety crops that were stronger and more reliable. While more fertilizer and water is needed, people are not.
