Social stratification<span>is is the hierarchical arrangement of large social groups based on the control over basic resources.</span>
Causeway- a raised road or track across low or wet ground
chinampa- a long and narrow floating field on a shallow lake bed
calpulli- the designation of an organizational unit below the level of the Altepetl
pilli- a noble
macehualles- the commoner social class in Aztec society
subordinate- a person lower in rank or position
tlacatecuhth- ‘human horned owls’
The common problem of the research investigating the massed vs. the distributed practice is the <u>lack </u><u>of a </u><u>retention </u><u>or </u><u>transfer test</u>.
The research which intends to investigates the massed refers to one that targets a large population at a time
The research which intends to investigates the distributed refers to one that target the different section of the large population
However, the common limitation of the two research is lack of a retention or transfer test in the investigation.
Therefore, the Option A is correct.
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Was Tectonic Plates an Option in the question?!