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A constructive plate boundary occurs when two tectonic plates are moving away from one and other. This movement is caused by currents within the mantle. As the plates are slowly pulled apart the rising ma...

The Boolean operator AND is a very common one encountered in Computer Science, along with NOT and OR (and its variant XOR). The operator takes in two inputs and gives one output. The truth table shows all...

Literature is brilliant to write about because it is so subjective. There usually isn't a correct answer. Of course, you have to know the basic definition of a symbol, but other than that, most anything c...

Homeostasis is a maintenance of a constant internal environment.
The human nervous system consists of central nervous system; brain and spinal cord and peripheral nervous system which is subdivided i...

Arteries are the blood vessels which deliver oxygen-rich blood from the heart to the tissues of the body. The outer layer of an artery is made of collagen fibers. The middle layer has smooth muscle and el...