What kind of device using EM waves would you design and create? Name of your device? Which EM wave would it use? How would it use the EM wave? What is the purpose of your new technology?

measure their densities same density, same sub

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the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada