Students have four pairs of sunglasses, each with lenses where the polarization filter is oriented in different directions (indicated by the direction of the lines drawn on the lenses below). They are planning to ride rafts down a river on a sunny day where there is a lot of glare on the water. Which pair would they want to wear to eliminate the glare from the sun?

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle