A thick layer of oil floats on top of some water in a cup. If a light ray hits the boundary between the oil and water at an incident angle of 31.0 deg., and refracts into the water at an angle of 34.4 deg., what is the index of refraction of the oil, n_1? a: n_1 = 1.46
b: n_1 = 0.751
c: n_1 = 1.10
d: n_1 = 1.21

unlike poles attract

the assestment will probley apele with cause and effect

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