Name 2 parts of the electromagnetic spectrum we can’t see and describe uses for them

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Gravitational potential energy is related to