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Geography, 21.06.2019 19:50
Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals
Answers: 3
Geography, 22.06.2019 20:00
Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.
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Geography, 22.06.2019 22:00
Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false
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Geography, 22.06.2019 22:40
Which of the following terms describes the layers of air surrounding the earth ?
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Mathematics, 20.09.2020 06:01
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Mathematics, 20.09.2020 06:01