___ currents flow from the equator to the Poles. A. Surface

B. Warm-water

C. Cold-water

D. Longshore

Which factors add to the greenhouse effect and are caused by human activities?

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 many time zone are there on earth