Explain in 3 complete sentences

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Answer explain why it is not possible to deduce a complete order of reactivity.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of