Many Theories, No Proof. Dinosaurs roamed the earth for 160 million years until their sudden demise some65.5 million years<span> ago, in an event now known as the Cretaceous-Tertiary, or K-T, extinction event
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earth is </span><span>4.543 billion years old</span>
Answer: D) purposive sampling
Explanation: Since there is no list of people and there is no reason to believe that they know each other, the researcher will need to get all possible cases that fit his research using various methods. This is known as purposive sampling.
It is a non-random sampling used in situations in which an expert uses judgment in selecting cases with a specific purpose in mind. Here, researcher uses wide range of methods to locate all possible cases of a highly specific and difficult-to-reach population.
Unemployment benefits, welfare, and some subsidies automatically (decrease) <span>in an inflationary economy.
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The RENAISSANCE was a time of renewed learning in the arts and sciences.
