Investigating the soils of northern Canada in summer, you dig a soil pit easily though fairly uniform peat material until, at 75 cm deep, your shovel hits a layer that is frozen solid. Into which type of soil are you most likely digging

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 %.

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

In what way does renewable energy differ form nonrenewable energy?