One light beam has wavelength, λ1, and frequency, f1. another light beam has wavelength, λ2, and
frequency, f2. write a proportion that shows how the ratio of the wavelengths of these two light beams is
related to the ratio of their frequencies.

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