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Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

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 %.

What is the famous rainforest in costa rica called?