Answer:
(i) Cost of operating airlines is very high and so freight cost is very high as compared to sea transport.
(ii) It is difficult to carry bulky, awkwardly shaped goods.
(iii) Very risky in case of accident.
(iv) It is controlled by climatic conditions; thus bad weather leads to uncertainty in its time table.
The first cross-state railroad ran from Cedar Key, in Florida, to the Saint Mary's River in the southernmost point in Georgia. The railroad was established in 1861, after a long and difficult planning and construction period. It was the longest railroad in Florida before the Civil War.
The correct answer is letter B
Productivity is the relationship between the amount of what is produced in relation to the inputs used or the amount of time invested in the process.
It is the result of what is productive, that is, what is produced, what is profitable. It is the relationship between the means, resources used and the final production. It is the result of the ability to produce, to generate a product, the result of work, associated with the technique and the capital employed.
the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion, fashion, or the arts.
