Which letter on the diagram shows the region where coral reefs are most likely to be found? A. W
B. X
C. Y
D. Z

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 %.

How has the geography of india made it difficult for its people to expand before modern technology?

In russia which of these challenges affects the transportation of both petroleum products and other goods?