Answer:
A
Explanation:
Some materials reflect light waves.
How many genes control that trait
<span>The scientific inquiry on Bigfoot revealed that it was only a costume.</span>
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.
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dem82 [27]
I believe the answer is A
Hope this helps!