Answer:
naturalistic observation.
Explanation:
Cal believes that a larger percentage of a city’s population will engage in public displays of affection in highly populated cities due to feelings of anonymity when an individual is among a lot of other people. He rides a bus in densely populated New York City for five hours straight, watches the bus riders’ interactions with each other, and unobtrusively counts the number of couples who are holding hands, hugging, or kissing. He then does the same in the sparsely populated city of Rock Falls, Iowa. The research method Cal used is known as naturalistic observation.
As we know that Naturalistic observation is a research method which is used commonly by psychologists and other social scientists. in this technique, it involves observing subjects in their natural environment.
Answer:
The higher interest rates attract foreign capital and cause the exchange rate to rise.
The one who created a common currency to make trade easier throughout the Persian empire was B.) Darius.
He created this currency to strengthen the empire.
Answer:
B). Serotonin.
Explanation:
As per the given description, the neurotransmitter that is likely to be in short supply for Junita is Serotonin as it controls the mood of human beings along with the behavior and mood. It also regulates sleep and memory in human beings. Junita might have been carrying low levels of 'serotonin' in her blood that has led a depressed and sleepy mood with the loss of appetite. Thus, 'serotonin' is the neurotransmitter that is in short supply for Junita and left her with a depressing mood. Therefore, <u>option B</u> is the correct answer.
