What conclusion can be drawn about fans from the passage? Fans do not use as much electricity as air conditioners.
Fans cool offices as well as trees do.
Fans can be used only when the temperature is not too hot.
Fans are not a good alternative to air conditioners

the answer is : Fans do not use as much electricity as air conditioners.

Skill check questions rearrange the paragraphs below into the correct sequence. that's because engineers on the ultraclean project have invented a self-cleaning, antibacterial metal surface that repels water with an intricate layer of laser-engraved valleys. when it rains, the lotus does not become damp; the water simply trickles off in fat droplets, taking any bugs and dirt with it. the drudgery may not be around much longer, however, if a team of italian scientists has anything to do with it “it's simply an amazing plant,” concluded professor luca romoli, leader of the project, “and we've succeeded in mimicking it. magnifico! ” few tasks in life hold less joy than scrubbing the ghost of somebody else’s porridge from a saucepan. the starting point for the research was the leaves of the lotus flower.

Read this description of a detail from the movie i am legend. a scientist is the last man alive in a post-apocalyptic new york, where zombies have taken over and destroyed most of the population. about ten minutes into the film, the man thinks back to how the zombie creatures came to be, and how at one point he had a wife and child. which type of suspense technique did the screenwriter use? dramatic irony flashback foreshadowing special effects

Insert comma today we went to the store to the post office and to the park