Compound microscope is being used..
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"Visible light is light that has wavelengths that can be detected by the human eye. The wavelength of visible light determines the color that the light appears. As you can see in the Figure below, light with the longest wavelength appears red, and light with the shortest wavelength appears violet."
Plants take in nitrogen from the soil by absorption. So option B.
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The thing that the data suggest about the effect the oil spill had on pink salmon is option d. Pink salmon populations seemed to be minimally affected.
<h3>What is Pink salmon?</h3>
Pink salmon is called humpback salmon and it is known to be a fish and it is said to be a species that belongs to the anadromous fish that is seen in the salmon family.
Note that form the image attached, The thing that the data suggest about the effect the oil spill had on pink salmon is option d. Pink salmon populations seemed to be minimally affected.
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