At which location would sunlight have to pass through the thickest amount of atmosphere before reaching earth's surface? at the poles at the equator at the subtropical latitudes at latitudes between 50 and 80 degrees

A. At the poles the sunlight would have to pass through the thickest amount of atmosphere before reaching Earth's surface.

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

chemical properties of thing