Answer and Explanation:
Student B is correct, because Mercury is, in fact, possible to be visualized during the morning or evening twilight, that is, just after sunset, or just after sunrise, as times are necessary for the planet earth it has the right lighting to visualize it.
Student C is the one that is most incorrect, because at midnight the planet earth has very low luminosity so that Mercury can be visualized. Since it needs a low illumination, however existent for the planet Mercury to be seen.
Meiji reformers had a slogan, "Civilization and Enlightenment.<span>" which encapsulates the goals of their reform, they wanted to create a modern Japanese nation modeled after those in the Western world. Part of what they did in a bid to achieve this was that they sent </span><span>hundreds of Japanese to the United States and Europe to </span>study Western ways of life and government.
Answer:
they contribute in economy because
1. It is one of the factors for Hydro-electric power which is a friendly source of electricity
2.It can be used as touristic attractions by which the country gets foreign currency
3.Source of food,many animals live in the rivers which is the source of food
4. Can be used to conduct economic activities like fishing
Explanation:
hope it helped you :]