Answer: Internal mental processes
Explanation: An internal mental process happens within someones mind, but are able to be studied. The internal mental process focuses on one's memory, attention span or lack there of, and perception. Due to using memory to recall events that may happen again because they have happened a first time, they are using/studying someones internal mental process.
The correct answer to this open question is the following.
You did not include the options for this question. However, we can answer the following.
The group that was part of the rising middle class of the Sung period was Shopkeepers.
The gentry and the peasants were the two big divisions of the social classes during the Song period in ancient China.
The Emperor of China was at the very top of the pyramid. He was the most powerful man in the empire and the absolute ruler of the lands.
In the second place were the families who owned big portions of land or better known as the gentry. Then, the peasants. They were the ones that farmed the agriculture fields and worked for the landowners.
The merchants were at the bottom of the pyramid. They were able to earn some good money in trade transactions but an old belief system of the time said that the merchants took advantage of other people's work and made a profit selling the products.
However, these merchants or shopkeepers flourished during the Song period.
Answer: <em>Phenakistoscope</em>
Explanation:
The phenakistoscope is referred as the first animation device that was known to create fluid illusions of motions. It is also regarded as one of the first type of motion media entertainment which later paved the road for future motion film and picture industry. example a GIF. It was introduced in Le Figaro, a French newspaper, the term was derived from the Greek word <em>phenakisticos</em> meaning to deceive.
<u>Answer:
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Depending on the data regarding the air quality indices, the changes can be chosen to be incorporated or not incorporated.
<u>Explanation:
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- The change in the air quality indices and its effect on the national income would be needed to be devised correctly if it has to be incorporated.
- The data obtained on air quality is highly vulnerable to fluctuation based on the methods of data collection.
- As it is difficult to measure the impact of changed air quality indices on the economy, its incorporation in national income is also difficult.
Descriptive investigations involve collecting data about a system, but not making tests or experiments.
Making tests belongs to experimental investigations.
Descriptive investigations aim to draw conclusions from observations of the fenomena, while experimental investigations design tests that let the researcher to compare results on different conditions with a control situation.
There is also the so called comparative investigations which collect data from under different conditions but do not include the control situtation.
