It's possible the answer is petrified fossil
Answer:
the answer is distillation
Answer:
Gold and copper are example of alloy
Explanation:
A controlled variable is the one that is kept constant, the manipulated variable is the independent variable in an experiment , it is called manipulated because is the one that can be changed. A responding variable or variables are the dependent variables that change as a result of the changes in the manipulated variable.
Answer:
<h2>Percentage error is a measurement of the discrepancy between an observed and a true, or accepted value .</h2>
Explanation:
<h3 />
