What is an isotope atoms with the same number of protons and neutrons atoms with the same number of neutrons but different number of protons atoms with the same number of protons but different number of elections atoms with the same number of protons but different number of neutrons

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

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 %.

Are divergent boundaries responsible for tsunamis?