The maximum concentrations of ozone are found in the:
A) troposphere.
B) mesosphere.
C) ionosphere.
D) stratosphere.
Answer: D
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The area surrounding a service from which customers are attracted is the threshold or the rank-size
Indicate whether the statement is true or false.
Which of the following modes of transportation are usually attractive for very long distances because the cost per kilometer is very low?
A) airplanes B) ships C) motorcycles D) trucks E) bicycle messengers
Cumulus
A) can occasionally produce rain, if the clouds are taller than they are wide. B) is common in winter. C) is uncommon in summer. D) is found at middle altitudes. E) usually signals an approaching warm front.
All of the following are considered more developed regions EXCEPT
A) Southwest Asia and North Africa. B) North America. C) Australia and New Zealand. D) Europe. E) Western Europe.