<span>In the non-industrialized countries, marriage is the significant marker of entry into adulthood and it generally occurs earlier than marriage in the United States. In the United States, holding a full time job is more often the marker of adulthood.</span>
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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<em>brainly.com/question/26387085</em>
Answer:
A. Creation of Judicial Branch
Explanation:
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