What moderates much of the air temperature over northwestern europe?

Identify the type of chemical reaction involved in each action.

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 %.

Name one type of data that h-r diagrams do not show.