The Maya also created detailedcarvings in other materials such as wood and jade. Although only a few wood carvings have survived, archeologists believe that wood carvings were very popular pieces of art for the Maya.
The correct answer is letter C
In the longitudinal design, the researcher records information about the participants without changing or manipulating the natural environment. One of the most important characteristics of the cross-sectional study is that it is possible to compare different samples from different time periods.
C. turn a developed nation into an undeveloped one
Answer:
Subjects are assigned by chance, rather than by choice, to a group.
Explanation:
In randomization process, the researchers will gather the subjects together and form a group based on that population without even thinking about their characteristics.
This method is often used is the researchers want to make the results of their study to be applicable to heteregonous society with variety of age, genders, ethnicities, and genetic compositon.
Answer:
For nearly a century, the people and politicians of the Northern and Southern states had been clashing over the issues that finally led to war: economic interests, cultural values, the power of the federal government to control the states, and, most importantly, slavery in American society.
Explanation: