Nitrogen Fixation. Good luck :)
Answer:
The first blank is "<u>Food Service workers</u>" The Second blank is "<u>Housekeeping Staff</u>".
Explanation:
House keepers sanitize the room and surfaces for the next guest, and food service workers have guidelines they must follow to insure every customers safety.
The difference in arrival time between the two types of seismic wave can<span> be </span>used to calculate<span> the distance of the </span>earthquake's epicenter<span> from the seismometer, as the further away an </span>earthquake<span> is, the greater the lag time between the detection of the S </span>waves<span> relative to the P </span>waves<span>.
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Answer:
pollution control in the air
