A scientist is measuring dissolved oxygen levels in a lake over a period of one year. Which collection of samples would ensure consistency regarding these measurements?
A. samples from the same locations and at the same depths each week
B. samples from different locations and at different depths
C. samples from the same locations but at different depths each month
D. samples from different locations at the same depth and at the beginning and end of the year
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Type the letter that represents the correct location for each particle type below.
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Joe shines white light into a bowl half full of water at an angle of incident of 27.5Β°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
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Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
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A scientist is measuring dissolved oxygen levels in a lake over a period of one year. Which collecti...
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