Answer:
(B) insomnia
Explanation:
Before answering this question we should understand what each one of the answers means in order to determine which is most likely what Fred is suffering from. Since almost all sleep disorders can be caused by "anxiety" we can eliminate that answer.
Insomnia: means to have little or bad quality sleep very often, which can cause <u><em>anger, bipolar disorder, trauma, anxiety, and stress</em></u>, as well as make these symptoms worse.
Sleep Apnea: is a sleep disorder that causes the sufferer to stop and start breathing continuously. This can cause snoring and fatigue.
Circadian Rhythm Sleep Disorder: are a group of sleeping disorders caused by changes in a sleep cycle with the day/night cycle. Which can cause insomnia.
Based on the information given above we can say that Fred is most likely suffering from <u><em>Insomnia</em></u> since he is having very little bad quality sleep and experiencing stress, anxiety, and trauma about nights.
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Wild
exciting
special
traditional
Animals
fresh
ravishing scenery
Interesting
classic
Sea turtles are large, air-breathing reptiles that inhabit tropical and subtropical seas throughout the world. Their shells consist of an upper part (carapace) and a lower section (plastron).
Answer: 3) Confounding variable
Explanation:Confounding variable is the variable that indicates about the external influential factors that produces the manipulated consequences of independent and dependent variable.This variable can lead to producing useless outcomes in an experiment.
According to the question, the changes occurring in interest of student in algebra can be due to the outside factors which are not generating the actual results and thus, experiment is getting ruined.
Other options are incorrect because application variable remain same for the experiment,system variable are the variables of certain system and reliability variables describe about the variable on which dependent or stable.Thus, the correct option is option(3)
The neolithic revolution, was also called the Agricultural revolution, and it was the wide-scale change from hunter-gatherer societies to agricultural societies. This was important because agriculture provides more food, and also more stability to the societies, which in turn allows for a creation and development of civilizations.