34) Which of the following is true of soils? A) Soils rich in mineral matter are usually dark in colour. B) They usually require hours or days to form. C) Their development is affected by climate and organisms. D) Their properties are not affected by the type of rock from which they form. E) Older soils usually have fewer horizons than younger soils.

44) In periglacial environments, the layer of ground that thaws every summer and freezes every winter is called A) frost layer B) permafrost C) active layer D) discontinuous permafrost

42) The ablation zone of a glacier A) has a total positive mass balance. B) is where snow accumulates and transforms into ice. C) is located in the upper part of the glacier. D) is where ice mass is lost.