Answer:
918, at the end of World War I.
Explanation:
Answer:
Chicago
Explanation:
Chicago is the only airport in the United States, thus making the city of Chicago as well, that has direct flights to six continents. This makes this airport the best connected in the United States, offering direct flights to North America, South America, Europe, Asia, Africa, and Australia & Oceania. The only continent left to which there's no direct flight is Antarctica, with the reasons being the small interest, but much more the safety concerns as Antarctica is not the best place to have flights to considering its weather conditions. Chicago is actually only one of five cities in the world that has an airport that offers direct flights to six continents, being in the company of London, Dubai, Johannesburg, and Doha.
B. it is younger than the rock below. :3
Jupiter, Uranus, Neptune, and Mars.
Ridge push is a process in which the unlifted ridge is thought to push the oceanic plate towards the subduction zone. Slab pull is a process where by the weight of a subducting plate help to pull the trailing lithosphere into subduction zone. Ridge lush is cause by the potential energy gradient from the high topography. Slab pull is caused by negative buoyancy of the subducting plate.