Answer:
It has been used for transport of materials and travel for humans, and it has also been used in fairs for rides
Answer:
B. It is a common form of economic thinking
Explanation:
Thinking at the margin is a pattern of thinking where the thinker thinks forward with regard to the coming hour, the coming day, or coming income, while letting the past to go and considering what is presently best for the the thinker or in the coming times.
Thinking at the margin involves thinking ahead, and in economics principle, thinking at the margin is required for making rational decisions
An example of thinking at the margin is deciding to by more pasta for the month than required when there is a scarcity of a brand of pasta and the inflation, which may both be due to the introduction of better brand of pasta by the manufacturer causing a delay, and a temporary inflation respectively
Therefore, thinking at the margin is a common form of economic thinking
All I know in my knowledge is that they had camels that can live without water for long period of time and can store huge amount of water so it gave an advantage to the Bedouins to cross the desert, etc. One food I know is called "Dates" which I love to eat alot and is popular there. Another is that from a source from King Faisal of Saudi Arabia, when a war is threaten to them by an another nation, he had said " ...You know we come from the deserts and our ancestors lived on DATES and MILK, and we can easily go back and live like that"
You're answer is going to be C
