Does his model correctly show why the properties of the ending substances are different from the properties of the starting substances?

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

What can be found in the ionosphere

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6