Select all of the answers that apply. which of the following are beneficial products of volcanic activity? a. the hawaiian islands b. fertile soil c. geothermal energy d. sills it is can be all of them but i dont know plz

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 %.

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

Identify the youngest layer in the figure ( have to click one letter)