Answer:
This is a longitudinal research.
Explanation:
Longitudinal research refers to a type of research which takes <em>place over time</em>. It centers on the study of the <em>same variables through time</em> in order to observe the variable's changes.
In this case, psychologist study 5, 7 and 9 year olds and then study them again two years later.
Sometimes people engage in trade in order to get what they need or to communicate.
German immigrants asking the United States to support Germany in World War I
Answer:
A. The first reason that teen brains are more sensitive to junk food is that they are still developing the ability to assess risks and control actions.
Explanation:
The sentence supporting the conclusion that <u>teenager's brains change over time</u> is the<em> first sentence from the selection</em>.
The first sentence provides some context clues such as the word "developing." This word can be associated with the phrase, <em>"change over time."</em> To develop is to become more mature, which is definitely a change. This means that the reason for the change relies on the development of the teenager's ability to assess risks and control his/her actions, which means when they get older, <u>they become more capable of choosing healthier options.</u>
Choices B, C and D <em>do not provide any support regarding the development of the brain. </em>They only state some facts regarding the function of the prefrontal cortex and which part of the brain the change occurs.
The correct answer is <em>B), alcohol fermentation.
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Ethanol is produced from biomass via a fermentation process that uses glucose derived from different types of sugars like molasses and sugar cane or starch, corn, or even cellulose. These elements are renewable.
There is another way to produce ethanol from non-renewable sources like coal and gas. It is known as Synthetic ethanol.
Ethanol is a type of alcohol that kills organisms and can be used in gasoline, antibacterial soaps, and hand sanitizer gels.
