Which of the following line of(latitude or longitude)would represent by 90 north latitude

south pole
equator
primer meridian
north pole
international date line

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Which governments provide garbage collection services to homes and businesses