Many Online Documents Posted Since the Year 2000 Have a Unique,permanent

question 5

Multiple Choice

Many online documents posted since the year 2000 have a unique,permanent number that enables others to find a document again even if its location on the Internet has changed.This number is known as a ________.

• A)library call number
• B)Digital Object Identifier (DOI)
• C)key word
• D)Uniform Resource Locator (URL)

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Definitions:

First-Order Reaction

A chemical reaction where the rate depends linearly on the concentration of one reactant.

Zero-Order Reaction

a chemical reaction in which the rate is independent of the concentration of the reactant(s).

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, used medically as a local anesthetic and often abused for its euphoric effects.

First Order

In kinetics, refers to a reaction where the rate is proportional to the concentration of one reactant.