If one wanted an overview of the mountain, and was going to buy only two books, I suspect that Unsworth and Gillman might be the best choices. Owing to its low lying, inland, and easterly position within the British Isles, summer temperatures tend to be somewhat higher than areas further west, and often rival or even exceed those recorded in the London area. As well, children may be needed to increase the labor supply within a kinship network. This is known as the top-down hypothesis or 'green-world' hypothesis. Chemoorganoheterotrophy Decomposition Detritivores Detritus. Even if we reject the capacity of the state to prohibit fault, we cannot deny the state the power to punish harm.