All of the devices below either use or produce electrical energy. Which one converts mechanical energy to electrical energy? battery
electric drill
wind turbine
electric guita

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³