Answer:
An observational study, not an experiment.
Explanation:
Researchers investigated reasons why different species of birds begin to sing at different times of the morning. They captured and examined birds of 57 species at different sites around England. They reported that there is a strong relationship between the diameter of a bird's eye and the time it starts singing in the morning: birds with larger eyes tend to start singing earlier.This is an example of An observational study, not an experiment.
This is a quote said by Franklin D. Roosevelt. It is a statement that ties into his belief that individuals can summon up the individual courage needed to face incredibly challenging odds. Given the situation, in which FDR was governing with intense economic crisis situations domestically and the looming threat of European fascism abroad, it might appear that individuals might have lacked any control or any freedom of will in such situations. Statements like these were part of the leadership quality that FDR possessed.
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C - Most developing countries are involved in trade with countries around the world; around the world at best traditional civilizations interacted with bordering societies or civilizations
An example of globalization would be a multinational company having offices in another country. The correct option among all the options given in the question is option "c". Globalization has brought the world closer. Now products of different countries are easily available in other countries and that too at a competitive rate.
Harkhuf in his collection of memoirs portrays four undertakings into Nubia. In the first place, he composes that Pharaoh his ruler sent him together with his dad to Nubia to open the path to that nation and when he returned he brought many blessings from that point. He went a moment on numerous occasions returned with blessings, the third time he returned with three hundred conveying a ton of presents and in conclusion, was the letter from Pharaoh which affirmed that to be sure Harkhuf had been to Nubia and had carried with him a dwarf of the god's moves from Nubia.
