Answer:
<em><u>Solar Cell for Transportation.</u></em>
<em><u>Solar Cell for Transportation.Solar Cells in Calculators.</u></em>
<em><u>Solar Cell for Transportation.Solar Cells in Calculators.Solar Cell Panels. </u></em>
Explanation:
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Exchange of gases in fish is very efficient because of: the large surface area of the gills. the large surface area of the blood capillaries in each gill filament. the short distance required for diffusion – the outer layer of the gill filaments and the capillary walls are just one cell thick.
Answer: A. Speed
Explanation: Hope it Helps!