Why is tundra sometimes referred to as a cold desert? Question 7 options: a) All of the tundra as an average annual temperature in the range of -5 C to -15 C. b) Because the average annual precipitation of tundra is similar to that of a desert. c) Tundra is only separated from the desert by one biome (grasslands). d) The variation in the precipitation levels is lower in the tundra than the boreal forest