Scientific evidence must be objective. The interpretation or analysis of data must not be biased
or affected by personal feelings or beliefs. It should also be valid and
accurate. Data must be a representation of the real situation. It must be
collected ethically and analyzed appropriately.
<span>The membranes of neurons at rest are very permeable to K+ but only slightly permeable to Na+. The sodium – potassium pump carry both Na and K ion through the membrane to balance the leakage. Na+ is pushed out of the cell and K+ is pulled into the cell.</span>
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loop that includes a stimulus, sensor, control center, and effector
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B. Erosion and D. Index fossils are geologic features that help scientists to determine relative ages of rocks by their positions.
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