0.2 is the correct answer and shown above is the shown work
Answer:
independent variable
Explanation:
tap the independent variable :)
For the first statement, the independent variable is the the amount of light during studying, while the dependent variable is the test scores. In the second statement, the independent variable is the amount of sleep, while the dependent variable is the productivity.
Answer:
This is a physical change.
Explanation:
As long as the identity of the substance has not changed, and the element is present before and after, it is a physical change! (Ex: ice melting)