Because joan suffers from depression, dr. adler has prescribed a medication that alters sensitivity and receptivity to the receptor sites in her brain. for justin, who suffers from anxiety, dr. adler prescribes a drug that affects receptor reactivity to

Answer;

Serotonin; G.A.B.A

Because joan suffers from depression, dr. adler has prescribed a medication that alters sensitivity and receptivity to serotonin the receptor sites in her brain. for justin, who suffers from anxiety, dr. adler prescribes a drug that affects receptor reactivity to G.A.B.A.

Explanation;Serotonin is a neurotransmitter that performs a wide variety of functions in the body. It is known as a happy chemical as it brings well being and happiness. It is believed to help regulate mood, social behavior, appetite, sleep, memory, among other activities in the body.Depression is though to result from low levels of serotonin. It is therefore treated using SSRIs which prevent re-absorption of serotonin leading to higher levels of serotonin in the synapses.G.A.B.A is a type of neurotransmitter which plays a great role in anxiety disorders. It is the primary inhibitory neurotransmitter; thus it comes the neurons and keeps the brain from getting overexcited. It is known to counterbalance the action of excitatory neurotransmitter glutamate.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

Carbon dioxide is the correct answer