There are 10 main Indo-European Language groups:
MAOIsTricyclicsSSRIs
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The 3 main groups of seedless vascular plants are: ferns, horsetails and club mosses.
Igneous, sedimentary, and metamorphic
The 3 main religious groups are: -Christianity -Judaism (Jewish) -Islamic The previous answer is not correct. The religions listed above are the Abrahamic Religions and not the main religious groups of the world. There are literally hundreds of thousands of religious groups, and possibly thousands of "main" religious groups.
Mexicans, Asians, and douchebags
1. Mammals 2. Reptiles 3. Amphibians 4. In-vertebrates 5. Insects
sedimentary
The have rights just like you and me :3
yes
general industry, construction, and maritime are the 3 main standards of OSHA.
There are three main types of language: formal, informal, and slang. Formal language follows strict grammar rules and is used in professional settings. Informal language is used in casual conversations and may include contractions and colloquial expressions. Slang is more playful and informal, often used among specific groups or social circles.