To study the effects of crowding on worker productivity, professor thomas and his assistants have one group of people work in a crowded room and a second group work in a room with only a few people. To be sure that any differences in the productivity of the two groups actually result from the differing amount of people in the room, the researcher should use.

eggs are a high protein food! dan is most likely to include them in his diet. according to my sources, "whole eggs are among the healthiest and most nutritious foods on the planet. they are loaded with vitamins, minerals, healthy fats, eye-protecting antioxidants and brain nutrients that most people don't get enough of. whole eggs are high in protein, but egg whites are almost pure protein."

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low silica content, thick and fluid, forms dark colored rock

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answer: wth

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i agree so much