1. eon 2.era 3.period 4. epoch I'm pretty sure the three major are the first three
Precambrian Cambrian
American Psychological Association of Graduate Students (APAGS) American Psychological Association of School Psychology (APA Division 16) American Psychological Association of Women in Psychology (APW)
What are the three major divisions of a speech?
Catholic, Orthodox, and Protestant are the three main divisions of Christianity.
There are three major divisions of the brain.* Forebrain * Midbrain * HindbrainHemispheres
Legislative; Administrative and Judiciary
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The SouthernThe WesternThe Eastern
The three divisions of Jewish scripture are known by the Hebrew acronym Tanakh. (That's 3 letters in Hebrew). The divisions are Torah (pentateuch), Nevi'im (Prophets), and Ketuvim (Writings).
triacylglycerols phospholipids, and sterols
The three layers of the moon are similar to the layers of the Earth. These layers are the crust, the mantle, and the core.
The SouthernThe WesternThe Eastern