D,record observations and measurements.
U can do it your self its a cross word for crying out loud
The correct answer is: [A]: "no double bonds" .
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<u>Note</u>: In saturated fatty acids, there is no double bonding between the molecules—which leaves a "gap" ; and saturation with "hydrogen (H)" atoms occur.
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I believe it's B. Apologies if I'm wrong.
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
