In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.
Historically, more cold-adapted antelope species originating in Eurasia have migrated into Africa, where the climate is generally warmer, than have warm-adapted African species into Eurasia.
Some argue the law will be hard to enforce, as the payments to witches and astrologers usually are small cash amounts of 20 to 30 lei ($7-$10) per consultation.
The entire universe of things that could be tested is typically too large to be covered within a given schedule, even more when multiple features are combined and the permutation grows exponentially.
But it's one of many low-tech fixes for high-tech failures that people without engineering degrees have discovered, often out of desperation, and shared.
This method is typically not used in conjunction with fixed-delay execution repeating tasks, as their scheduled execution times are allowed to drift over time, and so are not terribly significant.