increases by 1 every time
The answer is very small crystals
Global warming which is not a geological process but something humans have caused
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ANSWER:</h2>
<u><em>If you have found a radiometric age for the surrounding layers of volcanic ash, you can say that the age of the intervening layer is halfway between those specific dates.</em></u>
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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.
