Examine the impact of a top down development project on different groups of people

How does the slope of the land affects the speed of lava flow

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 %.

Which of the following is evidence to the past existence of glaciers?