The basic principle of energy means that energy. O cannot create itself
O must always remain
O changes from one form to another
O all of the above

What happens to light waves from a star as the star moves away from earth?

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

The process of predicting values that extend beyond the range of data points is called absolute value extrapolation interpolation prediction for any given: )