Sociologists,Psychologists,Anthropologists and Archeologists.
Four groups that compose a society are hunter gatherer bands, tribal, stratified, and civilizations. In addition to these there are two more, humanity and virtual society.
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Rigveda samaveda yajurveda atharveda
There are four groups that created a new society in the North American continent. The four groups are France, England, Netherland and West India.
nobles, commoners, clients, and slaves
scientists classify volcanoes in four general groups, Hawaiian, Strombolian, vulcanian, and peleean
Anthorpologist,Sociologist,Historians,and human Geographers
The four social classes in the Spanish colonies were peninsulares, creoles, mestizos, and Indians.
Scientists use the following four steps to study fossils: 1. Excavation - careful digging to uncover fossils, 2. Preparation - cleaning and preserving fossils, 3. Description - documenting physical characteristics of fossils, and 4. Analysis - using various methods to interpret the fossils' age, environment, and relationships to other organisms.
• to learn a way of thinking, • to understand society, • to understand global affairs, and • to be an informed voter.
A Gerobatrachus hottoni (frogmander) a 290 million year old fossil has been found in Texas, the fossil which shows both frog and salamander traits has changed scientists opinions on the ancestry of amphibians. Scientists would now study the four distinct groups of leposondyls, temnospondyl, caecilians and amphibians.
Four: bryophytes, ferns, gymnosperms and angiosperms