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1. What countries border the Black Sea?
2. What is an upside down rainbow called?
3. How much of the earth's atmosphere is made up of nitrogen and oxygen?
4. How many different types of sea creatures are there?
5. What species has the largest population on earth?
6. Can pure water conduct electricity?
7. What country does karaoke come from?

Sagot :

Answer:

1. Black Sea, Russian and Bulgarian Chernoye More, Ukrainian Chorne More, Turkish Karadenız, Romanian Marea Neagră, large inland sea situated at the southeastern extremity of Europe. It is bordered by Ukraine to the north, Russia to the northeast, Georgia to the east, Turkey to the south, and Bulgaria and Romania to the west.

2. Upside-down rainbows are actually circumzenithal arcs, also known as circumzenith arcs and Bravais’ arcs. They are an optical phenomenon belonging to the family of halos arising from refraction of sunlight through ice crystals, usually from cirrus or cirrostratus clouds, rather than raindrops like with regular rainbows.

3. While oxygen is necessary for most life on Earth, the majority of Earth’s atmosphere is not oxygen. Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases.

4. So far, the catalogue contains 122,000 species, about half the estimated 230,000 known species. It should be complete by 2010. But there are still millions more ocean species to be discovered. Meeting in Belgium on 20-21 June, marine taxonomists discussed Grassle’s estimate of between 1 and 10 million total marine species.

5. This is a collection of lists of organisms by their population. While most of the numbers are estimates, they have been made by the experts in their fields. Species population is a science falling under the purview of population ecology and biogeography. Individuals are counted by census, as carried out for the piping plover;using the transect method, as done for the mountain plover; and beginning in 2012 by satellite, with the emperor penguin being first subject counted in this manner.

6. No, pure water doesn’t conduct electricity; by itself, it is a poor conductor of electricity. However, water contains charged ions and impurities that make it a very good conductor of electricity. We are always told and taught that water conducts electricity.

7. Starting strong in Japan and the Philippines, karaoke spread to all of Asia, to the United States, and throughout the world. It is a wildly popular phenomenon in bars and restaurants throughout Japan, Asia, and the United States. 3 Fun facts about karaoke: The most requested karaoke song is Michael Jackson’s “Billie Jean”