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➷ The formula for Potassium oxide is K2O
This is because potassium has a 1+ charge and the oxygen has a 2- charge. Two potassium atoms are required to balance the charge.
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To find the average speed, you take the entire distance traveled (d) divided by the total time (t). (d)/(t)= average speed of object
Answer is: A. The independent variable is changed to see its effect on the dependent variable while all other conditions are unchanged.
The two main variables in an experiment are the independent and dependent variable.
Dependent variable is the variable being tested and measured in a scientific experiment.
Dependent variables depend on the values of independent variables. The dependent variables represent the output or outcome whose variation is being studied.
