Since there are no choices to choose from, here is an example of a devise which <span> utilizes electromagnetic induction to operate.
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The electric generator uses rotating magnets to induce an electric current in conducting wire coils surrounding the generator's armature.This devise <span>utilizes electromagnetic induction to operate. </span>
Near fertile soil, bodies of water, anywhere where it's easy to farm and produce food
The correct answer is D. Sample.
Explanation
The sample is the name how is known a representative portion of a population from which you want to obtain some information for an investigation. This sample will allow us to know in detail how a phenomenon occurs in a portion of the population that is to be studied. In Kevin's case, he takes a sample group of 50 students because with this group he can already learn general information about students' attitudes toward general education requirements on his campus. That is, this small group is going to show you the trends that all students have in a smaller proportion. Therefore, the correct answer is the D. Sample.
