3). he had explored the world
4). Because they r all they need
There are two types of sources; Secondary and Primary.
Primary sources are sources from directly from the time period, such as diaries, film footage, artifacts, and more!
Secondary sources are sources that use primary sources to analyze the time period, such as biographies, textbooks, history books, and encyclopedias.
But remember, we should never trust everything we read. Always ask questions! The author could have left out some other details we may never know. It's your decision on how you use the information to affect your work.
When using the countif function to find duplicate rows in a list, make sure to press Ctrl+Shift+Enter to convert the function into an array function.
<h3>What is countif function?</h3>
A built-in Excel tool called COUNTIF which measures the specified number of cells. Date, number, and text-containing cells can all be counted with COUNTIF. Logical operators and qualifiers can be used to match only a portion of the parameters used in COUNTIF.
In Excel, Ctrl Shift-Enter simplifies the transformation of the information into an array format with numerous data values. The conventional formula and the array formula in Excel can also be identified using this feature.
Learn more about the countif function, here:
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Answer:
Evolutionary
Explanation:
Since the early days, human has managed to learn and adjust to his environment, worked on developing and nurture the greatest feasible habits and mechanisms for survival. Survival was of the greatest priority, as prehistoric cavemen were living in a multitude of dangers, varying from infections to wild, starving animals, etc. As per the evolutionary psychology, our ancestors had psychological upsides, transferred these behavioral traits to subsequent generations, culminating in a generation that then had these adaptive behaviors phobias.