Electromagnetic waves are produced by stationary electric and magnetic fields. true or false? ?

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same