Answer:
The answer is C
Explanation:
Because the first sentence in paragraph 1
The sentences reads: <em>"Hydropower is energy generated by a process that uses running or falling water."</em>
Answer:
B. Cross-Sectional
Explanation:
A Cross-sectional study of design is a kind of design of observational study . In the cross-sectional study, an investigator measures or examines the outcome as well as the exposures in any study participants at the same time.
Cross-sectional design research includes using some different category of the people who differ in some variable of interest but they share few other characteristics, like educational background, socioeconomic status and ethnicity.
A Cross-sectional studies are mostly used by experimenters or researchers to study the developmental psychology in humans.
Thus in the context, the researcher using 50 participants to study the developmental changes in their choices to listen to music is a type of cross sectional research design.
Hence the correct option is (B).
The state is named after its capital, Tlaxcala, which was also the name of the pre-Columbian city and culture. The Tlaxcalans allied with Spain and defeated the Aztecs. Concessions from Spain allowed the territory to remain largely intact throughout 300 years of colonial rule.
The alliance of the Spaniards with the Tlaxcalans is his one of the most important events in the history of Mexico. This European alliance with the Totonac and Tlaxcalan Indians produced a formidable coalition that would eventually lead to the downfall and destruction of the entire Aztec Empire.
Tlaxcala has his three famous bullrings. The most popular is Plaza Jorge "El Ranchero" Aguilar, built in the 18th century in the center of Tlaxcala town. Today it is known for its farms and weaving. Tlaxcala has a long and rich history of cultural diversity.
Learn more about colonial rule here:
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Answer:
True.
Explanation:
The world systems theory is a fundamental social evolution theory which states that, some developed countries such as core nations benefit while other countries such as peripheral (underdeveloped) nations are being exploited significantly.
According to world systems theory, peripheral nations become economically dependent on core nations, which keeps them at a low level of modernization.
Basically, the world systems theory divide the world into three (3) main categories and these includes;
I. Peripheral nations: these includes countries that provide cheap labor and other resources for the core nations. Some examples of peripheral nations are Haiti, Nigeria, Kenya, Sudan, Philippines, Chad, Niger etc.
II. Core nations: these are technologically advanced and well-developed countries that benefit from peripheral nations. Some examples of core nations are Germany, China, Japan, United States of America, England, France etc.
III. Semi-peripheral nations: these includes countries that are in between core and peripheral nations such as developing countries.
