The letter A is the one that represents a neurotransmitter acting via direct effects.
<h3>What is a neurotransmitter?</h3>
These are chemical messenger that helps carries signals across the neurons and target cells throughout the body.
Hence, the letter A represents a neurotransmitter acting via direct effects because its involves direct connection between the neurons.
Therefore, the Option A is correct.
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<span>The answer for the question above is letter "C. culture". What makes a group of people different from another are their cultures. That is composed of how they speak to one another, how they express themselves through arts and food. </span>
Answer:
A. An intermittent reinforcement schedule
Explanation:
Checks and balances refers to the specific powers held by each branch of government in order to both invoke their own branches power while also making sure that other branches are not abusing their power. The statement “avoiding the exercise of the powers of one department to encroach upon another” refers to this checks and balances system most clearly, in that it mentions directly that the powers of one branch should not exceed that of another nor should one branch be allowed to abuse their power, the checks and balances system insures that does not happen.