That changes in the independent variable caused changes in the dependent variable
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Answer:
Because some states have more senators and representatives.
Explanation:
How the revolution lead to the need for reform is that because the industrials ( cars, clothing, farming, mechines) many people were put into had working conditions, long work hours, child labor, and low wages. People sarted making reforms to be we to control business poor practices.
Answer:
The combination of two or more than two substance or elements without using chemical is called mixture