Answer: Harsh climate conditions that do not favor crop growth i.e a limited availability of rainfall (less than 250mm/year.)
Here is the answer that would best complete the given statement above. <span>The idea that women show an adaptive preference for choosing long-term mates who can provide for their offspring is an expression of NATURAL SELECTION. Hope this answers your question.</span>
Answer: as the Great Schism of 1054.
Explanation: