El Nino has had tremendous climate and environmental impacts throughout history. Explain what effects an El Nino event creates around the world.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?