English Wikipedia - The Free Encyclopedia. In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a part of the operating system.
Deserts cover more than one fifth of the Earth's land, and they are found on every continent. A place that receives less than 10 inches (25 centimeters) of rain per year is considered a desert. Deserts are part of a wider classification of regions called drylands..
They have cool winters and long, warm summers. Coastal deserts are located on the west coasts of continents at latitudes of 20Â° - 30Â°. Winds off the coast blow in an easterly pattern and prevents the moisture from moving onto the land. The Namib Desert in Africa and the Atacama Desert in Chile are coastal deserts.