The inner film of water around a soil particle is

Which biochemical cycle is relied upon for plant photosynthesis

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 %.

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist