The confounding variable that makes the conclusion inappropriate are the parents who choose the learning tools that they want their children to use.
<h3>What is a confounding variable?</h3>
A confounding variable is a variable that makes it difficult to establish the true relationship that exists between two variables.
Read more on confounding variables here:
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Eliminate the civic test history part and keep the English part this would be more easier for children’s and adults since nobody who understands English doesn’t need to know the history of the United States.
Answer:
endocrine system and Sympathetic nervous system;
Explanation:
The correct answer to this open question is the following.
It seems that ypur question is incomplete because it doesn't include any context, reference, map, or something we can use to help you answer the question.
What tribes are you referring to? What is the time in history?
However, trying to help you, we can comment on the following.
We assume that you are referring to the European presence in Africa after the Berlin Conference of 1855. If that is the case, then we can say that what happened to tribes when the Europeans made these new borders was that they eliminate some borders, modified others, create new regions, moved tribes from their former territories, and displaced people.
This was a moment in history known as the Scramble for Africa," that started in 1885 and ended approximately in 1914.
The European countries involved in the partition of Africa were France, Great Britain, Portugal, Germany, Italy, Spain, and Belgium. In reality, these countries were only interested in colonizing Africa to exploit the many raw materials and natural resources of the continent.
The correct answer in number one is "trees are cut down". Deforestation refers to the act wherein trees or forests are cut down and cleared for the land to be used for something industrial and non forest use.
In number two, the correct answer is "farming". Farming does not need deforestation. Farms are located in wide field, which has a huge land area for farming, which they do not need to clear trees/forests, sometimes farmers use the forests as parts of their farming methods.
In number three, the correct answer is "Carbon Dioxide". When trees begin to lessen, carbon dioxide will become greater in our atmosphere, since trees are the one responsible for absorbing and converting carbon dioxide to oxygen, without trees, it would increase the percentage of carbon dioxide in our atmosphere.
