Select the correct text in the passage which line in this excerpt from a persuasive essay about conserving energy best uses logical appeal?

(1)Do you regularly forget to switch of the lights when you leave a room?
Is your computer always on standby because you're too lazy to unplug it? The good news, if you can call it that, is that you are not alone.
(2) The bad news is that you, and millions of others on our planet, are draining the world of its energy resources.
But luckily for us its not too late to fix this problem. Saving energy is easy and effortless. A few simple steps and conscious choices can help save the planet and also save on your power bills! Conserving energy is not a choice; it’s a necessity! Switch off the lights when you leave a room. Turn off and unplug your appliances when you're not using them. You should also ensure that all your household appliances have strong Energy Star ratings. (3) Energy Star-certified appliances use up to 20 pe cent less energy, which results in lower power bills. Start wearing sweaters instead of turning up the heat in winter. Open the windows in summer to cut down on the energy air conditioners consume.
(4) Taking these steps and making a few other conscious choices can help ensure that
future generations will enjoy the same conveniences you take for granted today.