Answer:
here is your answer
Explanation:
scientific study
In a scientific study, a control group is used to establish a cause-and-effect relationship by isolating the effect of an independent variable. Researchers change the independent variable in the treatment group and keep it constant in the control group. Then they compare the results of these groups.
Answer:
Explanation:
Shang dynasty : strong central government, good farming methods
zhou dynasty: feudal system, land given to nobles by king,the first chinese dynasty, worship of the god of tian
The 22nd Amendment says the president cannot hold the office for more than 2 terms (8 years).
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<span>Can be elected for no more than two terms.</span>
The are two kinds of variables in an experiment: the independent variable and the dependent variable. The independent variable is not changed or influenced by the experiment or by other variables, it can be age, date, level of drug in blood.
The variable that changes is the dependent variable: it changes according to the dependent variable (this is the answer)
