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One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
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Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each type of organism to a characteristic that describes it.
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In the 1500s, an astronomer developed a new model of the universe. this model had the sun at the center of the universe, not earth. who was this astronomer?
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What two units measure air pressure...
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