A long carbon and hydrogen chain and a carboxyl group.
In images of fatty acids (the monomers of Lipids), it is depicted as a long carbon chain with hydrogen on the ends and connected to them as well, yet on the clear side is the carboxyl group.
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I believe the answer is head-on and port (left). The side lights are usually visible to vessels approaching from the front or the side. The red light usually indicates a vessel's port (left) side while the green light indicates a vessel's starboard (right) side. These lights ensure that there is safety at night as the vessels navigate.
I think it would be D hope this helps
Stanley has entered a rehabilitation facility for treatment of his addiction to barbiturates. He is immediately prevented from using the drugs and experiences agitation, restlessness, increased respiration, and insomnia. This phase of treatment is called detoxification.