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The three general categories of teratogens are maternal disorders, drugs, and environmental influences.
Phylum, genus, species.
*Verbal, nonverbal and realistic sounds
Pre-event, inter-event, and post-event.
They are categorized into cognitive, behavior, and emotional strategies.
They are categorized into cognitive, behavior, and emotional strategies.
Science is divided into three categories: physics, chemistry & biology. the three branches of biology are zoology, botany & anthropology.
Anticholinergics are divided into three categories in accordance with their specific targets in the central and/or peripheral nervous system : antimuscarinic agents, ganglionic blockers, and neuromuscular blockers.
Plato Users: Reproduction and Development (monotremes, placentals, etc.)
three influences on the selection process
They are traditionally divided into histories, comedies and tragedies by the first folio. Although some scholars have tried to introduce new categories, it is these three which seem to stick.
three categories of pipkins