The limiting factor of a desert biome is its mineral-poor soil 10° daily temperature changes 10 cm annual rainfall

10 cm annual rainfall

Explanation:

A limiting factor is the one which limits the growth, abundance and distribution of the living beings in a particular region or ecosystem. The limiting factor can be non-living or living factor.

The 10 cm annual rainfall represents the limiting factor in the desert biome. The 10 cm annual rainfall will pose a challenge for the plants and animals growing and surviving in the desert biome. Some plants and animals survive due to adaptation others die, reduce in numbers or they may even extinct.  

answer; a muscle cell, another neuron and a of the above

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.