D, all of these are voltage sources. A battery can power small things, generators can power larger things, and outlets can charge, or power things.
A diod can act as a capacitor
the deplition region in diod acts as a capacitor as it also stores energy similar to capacitor in electric field.
Gravity, and Normal. Check the comments for why Applied isn't one.
Answer: No endorphins
Explanation: cuz' she injured her ankle
Answer:
d.
Explanation:
all because the projector is a lens and the magnifying also the microscope
