Electric devices require electrical energy to function, and examples of such devices are PDAs, phones, and pagers. Given these facts, what requires electrical energy to function among the following options: - lemons - motors - LEDs - buses - rocks - hats - Cars - PDAs
PDAs

Some viruses live in a dormant state inside the body, and influenza viruses are notorious for their seasonality. Given these facts, what can live in a dormant state inside the body among the following options: - humans - bacteria - animals - fungi - influenza - Leptospirosis - rocks - horses
influenza

Alight bulb requires electrical energy to produce light, and black numbers on a white background are easier to see in darkness or bright light. Given these facts, bulbs produce electrical energy to what among the following options: - reproduce - Change colors - rain or sun shine - adding heat - look at the sun - power up cars - see in darkness - walk through yards
see in darkness