What countries share a region of glaciers in south america?
chile
brazil
uruguay
argentina

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 %.

5. what is a red giant? can our sun become a red giant? why or why not?

Russia is to the east if germany ? true or false