Please help this is make or break for my grade and I just cant seem to figure this one out

Balance the following chemical reaction. Rewrite the equation filling in the ‘coefficient’ that goes with each molecule.
a. _CO2 + _H2O  C6H12O6 + _O2

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

Name the non metal condut electricity

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.