<span>The story of Andrew Carnegie is an example of an extreme case of Philanthropic Acts. He was a Scottish-American industrialist that paved the way for the expansion of the American steel industry during the 19th century. He gave almost 90% of his fortune to charities, foundations, and universities because he believed the wealth is something to be used for the improvement not only of himself but of society. </span>
The answer is to keep out invaders<span>
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Answer:
C. a third variable, such as students' home environment, must have caused students to both drink more non-diet soda and engage in aggressive acts
Explanation:
From the question, we are informed about An observational study that was conducted in inner-city Boston approximately four years ago demonstrated that high-school students who consumed more than five cans of non-diet soda every week were between 9 and 15-percent likelier to engage in an aggressive act compared with counterparts who drank less non- diet soda. In this case, we can reliably conclude that a third variable, such as students' home environment, must have caused students to both drink more non-diet soda and engage in aggressive acts.
Observational studies can be regarded as studies whereby
researchers make observation about different effect of factors such as
risk factor, home, as well as environment and diagnostic test that affects the experiment. In observational studies Variables are very crucial, A variable can be anything that that is liable to change, it can change and it can be changed as well. They are factors which the observer can manipulate or control for when carrying out experiments.
Answer:
the Indo-European and Sino-Tibetan language
They began to tax the colonists and began printing money to try and cover the costs of the war.
