What's a word that means, "someone who alerts others in an emergency or alerting in general,"? i thought, 'alerter,' was a real word lol.

it if a real word

alerter (plural alerters) :One who or that which alerts.

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the correct answer is b. so you can tailor your resumé to the position.

it is important before sending your resumé for you could add some extra information relating to former jobs that might you get a higher possibility to be hired.

may be the company is looking for an experienced person, and showing you have worked in the area they are looking a person for may give you more positive points!