Brass is an alloy, a combination of two metals, and aluminum is a pure metal
Answer:
The independent variable is the variable the experimenter manipulates or changes, and is assumed to have a direct effect on the dependent variable. ... The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable.
No
Explanation:Brooo it does not contribute to the eco system
It depends on what the model looks like, we cant solve it when th model is not present
