When does the chunk of ice have the most potential energy?

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

The seaport that is near caracas has which type of climate?

How does photosynthesis show the conservation of mass and energy?