Nine planets- <span>Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.</span>
Answer:
2. the line separating Australian animal species from non-Australian species
Explanation:
The Wallace line is an animal boundary line drawn by Alfred Wallace that separates Australian fauna species from non-Australian fauna species. It's a transitional zone between Austrialia and the Asia continent. The animals found in south East Asia is so much different from those found in Australia, hence the line drawn. The line is just one of the many biogeographical borders in the world separating geographical regions with not so similar group of plants and animals.
Valleys can be found in areas where there are alot of Mountains, Canyons can be found in places near rivers, plains are found in central North America, and Volcanoes can be found on islands.
C since in 2011, the South Sudanese voted on a referendum in which about 99% of the voters voted to separate from Sudan and to become an independent country.
