An electric can opener works by getting a gear to spin, which spins a can to cut its top off. Electricity flows into the can opener through a wire and is transformed into mechanical energy options:

by an electric generator.

by a laser beam

by an electric battery

by an electric motor

According to edgenuity, the answer is c.

As what he you go get the hot dog ; )

Well,what i learned was that unlike many other  endothermic  reactions,  photosynthesis  does not absorb energy as heat. instead, during plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose, which is a type of sugar molecule. the energy is stored in the glucose molecules, ready to be used when needed.