How dirty is your phone? New studies reveal shocking results!

Pre-Reading Questions: How often do you clean your personal things and why? Do you think it’s necessary to replace things when it gets dirty? Please explain your answer. Vocabulary: vast /vahst/ [adjective] extremely big I restored a vast amount of data in an application I installed last night. humidity /HYOO-mid-i-tee/ [noun] the state or quality of being humid Staying in a cool place decreases the humidity you feel in summer. necessary /NES-uh-ser-ee/ [adjective] needed in order to achieve something The approval of the president is necessary to pass the bill. contaminated /kuhn-TAM-uh-ney-ted/ [adjective] made impure by exposure to polluting substance The milk we have is already contaminated, so I bought…
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