Answer:
Independent variable is temperature
Explanation:
An equation has this form: Y= f(x), where Y is dependent variable andX is independent variable.
In this case Y ( Dependent variable) is Perfomance in test, an it depends on x(Independent variable) wich is temperature.
Answer:
I think he may be a nut, but I'm not sure, there's little evidence of what he says to be true.
Answer:
Natural systems are already in place while man made systems were created by humans manipulating things in some way.
Explanation:
man made: human created
natural systems: existed without interference
