The PE for this question will be 588,000 because we take the mass (2,000 kg), multiply it by 9.8 which is Gravitational Acceleration and then multiply that by the height (30 meters)
Silicon is used in the manufacturing of microchips and is also used in motherboards. We use it in our daily lives. It is a high tech element.
1. its must be B and 2. must be C
The heat is transferred to one material to another, however insulators minimize that transfer, keeping it in the area, warming it.
C would be the right answer edu
