The awnser is : 2/3 ( two thirds )
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Answer: Extraneous Variable
Explanation: Extraneous Variable. When we conduct experiments there are other variables that can affect our results, if we do not control them. These other variables are called extraneous or confounding variables.
ALL OF THE ABOVE! All include human activity
When Thomas Jefferson referred to the Missouri Compromise he described it as “ fire bell in the night”. This is because he saw it as a pressing matter and he saw this as an emergency since a fire bell at night indicates that there is an emergency.
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The statement that is likely to occur in the future is new ethnicities will be formed, and old ethnicities will merge into one. The correct option is b.
<h3>What is ethnicity?</h3>
Ethnicity refers to a group's cultural identity, which is generally based on shared ancestry, language, and cultural traditions, whereas race refers to a taxonomic grouping based on physical similarities among groups.
The idea of race refers to the division of humans into groups based on diverse sets of physical features, as well as the process of assigning social significance to those categories.
Ethnicity describes a people's culture in a certain geographic area, encompassing their language, background, religion, and customs.
Therefore, the correct option is b, New ethnicities will be formed, and old ethnicities will merge into one.
To learn more about ethnicity, refer to the link:
brainly.com/question/12084761
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