<u>Paleolithic age:</u>
Paleolithic age was the age in the history which is also known as the stone age. It was given this name because the people of this age, mostly used tools which were made out of stones for their use.
There fore it got the name of stone age. The people in this age used sounds which were of different types to express themselves and to communicate with each other. This was also the time of cave paintings which people used to do on the stones or came up with fire.
What about the British isle and the Nordic region?
Answer:
d. watching children play in a park and recording their behavior
Explanation:
Naturalistic observation is one of the methods used in research by the psychologists. The subjects in this experiment are observed in their natural environment. The behaviors are then analyzed and examined to draw certain conclusions out of them. Such researches help in getting a better conclusion and idea about the reaction ad behavior of the people.
By definition, a "concurrent power" refers to a power wherein it is "shared by both the State and the federal government." Therefore, the answer for the question would be "<span>shared by national and state governments." which is letter D. In addition, these powers include regulating elections, and taxing.</span>
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